Free Online Tools - TestMu AI (Formerly LambdaTest)
Explore 600+ free online tools for developers, testers, and designers. Format and validate JSON, XML, and HTML, convert between data formats, compare files, generate test data and secure passwords, calculate hashes, and much more. Every tool runs in your browser, no installation, no sign-up, and no cost. Search for a tool or pick a category to get started.
AI Agent Tools
Plan, build, and cost your AI agents. Design agent workflows, generate system prompts, compare LLMs like ChatGPT and Claude, score risk and ROI, match agents to your industry, and pick the right no-code stack all in your browser.
Meeting Cost Calculator
Calculate meeting cost from attendees, salary, and duration with live timer and totals
AI Agent Workflow Builder
Visually design AI agent workflows and export to Mermaid, CrewAI, LangGraph, and n8n
Workflow Automation Mapper
Map workflow steps, score automation potential, and match each step to tools
AI Agent Comparison
Compare AI models like ChatGPT, Claude, Gemini and Grok by context, price and modalities
AI Agent ROI Calculator
Free online tool to calculate the ROI, payback period, and NPV of AI agent automation
Task Automation Prioritizer
Rank repetitive tasks by automation ROI using volume, clarity, repetition, and risk scores
AI Automation Idea Generator
Pick industry, bottleneck, and build comfort to get practical AI agent automation ideas
AI Agent Finder
Free online tool to find, compare, and shortlist best-fit AI agents for your workflow
AI Agent Prompt Generator
Turn plain-English descriptions into ready-to-use system prompts for 20+ AI agent types
AI Agent Glossary
Search AI agent LLM RAG MCP terms with plain-English definitions and category filters
AI Agent Risk Scorer
Score AI agent risk across autonomy, data access, blast radius, exposure, and safeguards
No-Code AI Agent Stack Selector
Describe your AI agent; get a recommended no-code tech stack by skill, budget, and channel
AI Agent CRM Checklist
Audit CRM readiness for AI agents across data, access, guardrails, and sales actions
AI Agent Stack Picker
Answer 12 questions to pick the right AI agent framework from n8n and CrewAI to LangGraph
AI Stack Builder
Pick industry, goal, team size, budget, and skill to get a 4-layer AI tool stack
Hire Employee vs AI Agent Cost Calculator
Calculate and compare the real fully-loaded cost of hiring human employees vs AI agents
Client Success Tracker
Model AI agent churn reduction: revenue at risk, revenue saved, and retention health score
Industry AI Agent Matcher
Match your industry and goals with AI agents, ranked by ROI, with pricing and rollout plan
AI Agent Onboarding Planner
Build a 14-day AI agent onboarding plan with readiness score, tasks, milestones, metrics
AI Team Training Planner
Pick roles and team size to get a 4-week AI training plan with workflows and metrics
Competitor Automation Analyzer
Benchmark AI automation by industry and size to get a competitor gap analysis
AI Agent Use Case Finder
Evaluate business context and rank high-impact AI use cases with risk scoring and 2x2 matrix
AI Agency Pricing Calculator
Calculate AI automation agency setup fees and monthly retainers based on scope
Sales Sequence Builder
Build multi-touch sales sequences with strength scoring, drag-reorder timelines, and templates
AI Email Template Generator
Generate email templates: 16 email types, 5 tones, clear placeholders, copy or download
AI Content Calendar Generator
Generate a dated content calendar with post ideas, formats, hooks, and hashtags
Process Documenter
Document SOPs, tag human vs AI steps, and evaluate automation potential online
AI Use Case Generator
Generate ranked AI automation use cases by industry, department, and bottleneck
Business Automation Audit
Score workflows by frequency, effort, and risk, then rank automation candidates
Integration Compatibility Checker
Check native integration compatibility for your software stack across n8n, Zapier, and Make
Time to Value Calculator
Calculate AI agent deployment time, effort hours, and ROI at 1, 3, 6 months
AI Agent Readiness Quiz
Score AI agent readiness across strategy, data, infra, team, governance, and operations
Automation Checklist Generator
Generate a test or workflow automation checklist with progress tracking and export
Data Migration Planner
Score data migration complexity between CRMs, sheets, and databases with a 7-step plan
Build vs Buy Calculator
Compare building custom software against buying SaaS with totals, a break-even year, and a verdict
AI Automation Workflow Planner
Plan an AI automation workflow with trigger, trusted source, review rule, output, and export
n8n Workflow Cost Calculator
Estimate n8n workflow cost across executions, AI calls, and hosting, then compare Zapier and Make
Support Ticket Analyzer
Score which support tickets are automatable and how much AI support agents could save you
Code Formatters & Minifiers
Format, beautify, and minify code online. Clean up JSON, HTML, CSS, JavaScript, XML, SQL, and YAML for readable development builds, or compress it for faster production loads.
JSON Prettify
Free online tool to format and prettify JSON content
JSON Minify
Free online tool to minify JSON Content
HTML Prettify
Online tool to HTML Prettify
HTML Minify
Online tool to minify HTML Data
JS Minify
Online tool to minify JS Data
CSS Minify
Free online tool to help your site load faster by reducing the size of script files.
CSS Prettify
Online tool to CSS Prettify
XML Minify
Online tool to minify XML
XML Prettify
Online tool to XML Prettify
JS Obfuscator
Free Online tool to JavaScript Obfuscator
YAML Formatter & Beautifier
Free Online tool to YAML Formatter & Beautifier
SQL Formatter & Beautifier
Free Online tool to SQL Formatter & Beautifier
SQL Minify
Online tool to minify SQL
JS Beautifier
Online tool to Formatter & Beautifier JavaScript
Lua Beautifier
Online tool to Beautifier Lua code
PHP Formatter
Online tool to Formatter & Beautifier PHP
Python Formatter & Beautifier
Online tool to Formatter & Beautifier Python
GraphQL Formatter
Graph Query Language Formatter helps to format unformatted or ugly GraphQL query and helps to save and share GraphQL.
XML Editor
Edit XML online with tree view or beautified output and validate syntax instantly.
XML Formatter
XML Formatter Online helps to edit, view, analyze XML data along with formatting XML data. It's the very simple and easy way to format XML data and share with others.
WSDL Formatter
WSDL Formatter Online helps to prettier your WSDL XML notation. It's a pretty simple and easy way to read WSDL Data and Share it with others.
SOAP Formatter
SOAP Formatter Online helps to edit, view, analyze SOAP data along with formatting SOAP data. It's the very simple and easy way to format SOAP data and share with others.
Typescript Formatter
Typescript Formatter Online helps to edit, view, analyze Typescript data along with formatting Typescript data. It's the very simple and easy way to format Typescript data and share with others.
Markdown Formatter
Markdown Formatter Online helps to edit, view, analyze Markdown data along with formatting Markdown data. It's the very simple and easy way to format Markdown data and share with others.
JSON Validator
Free online tool to beautify and validate JSON data.
JSON Repair
Repair malformed JSON: fix trailing commas, quotes, unquoted keys, comments
XPath Tester
Free online tool to test and evaluate XPath expressions.
XPath Generator
Free online tool to generate relative XPath, absolute XPath, and CSS selectors by clicking elements in HTML or XML
JSONPath Tester
Free online tool to test and evaluate JSON Path expressions.
HTML Validator
Free online tool to validate HTML file.
XML Validator
Free online tool to validate XML file.
YAML Validator
Free online tool to validate YAML file.
CSS Validator
Free online tool to validate CSS file.
CSV Validator
Free online tool to validate CSV file.
JSON Schema Validator
Free online tool to validate JSON data against a draft-07 JSON Schema with path-based errors
JavaScript Validator & Linter
Free online tool to validate JS file.
HTML Tester
This tool lets users input or upload HTML, CSS, and JavaScript, then generate and preview the combined output live.
JavaScript Tester
This tool lets users to test JavaScript code.
HTML Viewer
This tool lets users input or upload HTML, CSS, and JavaScript, then generate and preview the combined output live.
HTML Formatter
A HTML Formatter is a tool that quickly transforms your minified or unformatted HTML code into a human-readable format.
Javascript Regex Tester
This free Javascript regular expression tester lets you test your regular expressions against any entry of your choice and clearly highlights all matches
CSS Selector Tester
Free online tool to test and evaluate CSS selectors.
MySQL Syntax Checker
Validate MySQL queries and catch SQL syntax errors before running them
Code Converters
Convert code between languages and formats in one click — HTML to JSX, Python to JavaScript, cURL to PHP, OpenAPI to TypeScript, and more — with no compiler or IDE plugin needed.
OpenAPI to TypeScript
Free online tool to convert OpenAPI 3.x (JSON or YAML) documents into TypeScript types in your browser.
Text to SQL
Free online tool to turn plain English into SQL queries or DDL from a short description.
Python to JavaScript
Free online tool to translate Python code to equivalent JavaScript while preserving logic.
Kotlin to Java
Free online tool to translate Kotlin code to equivalent Java while preserving logic.
Assembly to C
Free online tool to translate Assembly code to equivalent C while preserving logic.
JSX to HTML
Free online tool to convert JSX snippets into HTML with a live preview.
HTML to JSX
Free online tool to convert HTML snippets into JSX with a live preview.
SVG to JSX Converter
Convert SVG markup into React JSX components instantly
Pug to HTML
Free online tool to convert Pug templates into HTML with optional JSON locals and a live preview
PostgreSQL to MySQL
Free online tool to convert PostgreSQL database schema or queries to MySQL format.
cURL to PHP
Instantly convert your cURL commands to PHP code online, with our efficient, accurate, and developer-friendly tool.
cURL to Python
Convert curl commands to Python.
JS to Python Converter
Convert JavaScript code snippets to Python syntax online
cURL to JavaScript
Convert cURL commands to Fetch, Axios, jQuery, XHR, or Node.js code online
cURL to Axios Converter
Convert cURL commands into JavaScript Axios request code
Json to Typescript
Generate TypeScript interfaces with runtime validation code from JSON.
TypeScript to JavaScript Converter
Compile TypeScript code to clean JavaScript online
JSON to Zod
Free online tool to convert JSON into a Zod schema with correct types for strings, numbers, booleans, arrays, and nested objects.
Json to Swift
JSON to Swift converter is a free online JSON to Swift data converter that allows you convert JSON data into Swift format.
Json to Kotlin
JSON to Kotlin converter is a free online JSON to Kotlin data converter that allows you convert JSON data into Kotlin format.
Json to POJO
JSON to POJO converter is a free online JSON to POJO data converter that allows you convert JSON data into POJO format.
POJO to JSON
Convert Java POJO classes to readable JSON instantly.
XML to JAVA Object
XML to Java object converter is a free online that allows you convert XML data into JAVA object.
JSON to Go Struct Converter
Convert JSON to Go struct types with json tags, nested structs, and instant Golang output
JSON to DART
Generate Dart models from JSON.
Swift Compiler
Write, compile, and run Swift code online directly from your browser.
JSON to C#
Instantly convert JSON data into C# classes.
Online Java Compiler
Free online tool to compile Java code.
Java to Kotlin Converter
Convert Java source code to idiomatic Kotlin online
Online GDB Compiler
Write, compile, and run code online for C, C++, Python, Java, and many more languages directly from your browser.
C++ Compiler
Free online tool to compile cpp code.
Online Pascal Compiler
Write, compile, and run Pascal code online directly from your browser.
C# Online Compiler
Write, compile, and run C# code online directly from your browser.
C# to VB.NET Converter
Convert C# source code to VB.NET syntax online
C++ to C Converter
Convert C++ source code to equivalent C code online
Python to C++ Converter
Convert Python code to equivalent C++ code online
Compare & Diff Tools
Compare two files or text snippets side by side and spot every difference instantly. Diff JSON, SQL, XML, YAML, CSV, Excel, or plain text for code reviews and content checks.
SQL Compare
Free online tool to compare two SQL queries and view line differences
JSON Compare
Compare two JSON files online and highlight missing keys, type changes, and value diffs
Text Compare
Online tool to compare two Text Files
XML Compare
Online tool to compare two XML Files
YAML Compare
Online tool to compare two YAML Files
JS Compare
Online tool to compare two JS Files
Difference Checker (String)
Check whether two strings or texts match exactly with an instant verdict
CSV Compare
Online tool to compare two CSV Files
Excel Compare
Find the difference between two excel files
Code Compare
Compare two code files and highlight added, removed, and changed lines side by side
Data Format Converters
Transform data between JSON, XML, YAML, Markdown, HTML, and other formats in seconds — ideal for API testing, data migration, and debugging structured payloads.
XML To JSON Converter
Free online tool to convert XML file to JSON file.
JSON To XML Converter
Free online tool to convert JSON file to XML file.
JSON To YAML Converter
Free online tool to convert JSON file to YAML file.
JSON To Object Converter
Free online tool to convert JSON file to Javascipt Object.
JS to JSON Converter
Free online tool to convert JS file to JSON format.
Python To JSON Converter
Free online tool to convert Python dicts, lists, and class instances to JSON.
HTML to Markdown Converter
Online tool to Convert HTML to Markdown
Markdown to HTML Converter
Online tool to Convert Markdown to HTML
Markdown Table Generator
Free online tool to build GitHub-flavored Markdown tables from a grid or CSV with column alignment
HTML Table Generator
Build styled HTML tables from a grid or CSV with inline CSS, separate CSS, or Tailwind output
Convert TXT to HTML
Online tool to Convert TXT to HTML
Convert HTML to TXT
Online tool to Convert HTML to TXT
Bulk URL Opener
Free online tool to open multipal URLs
CSV to JSON Converter
Free online tool to convert CSV to JSON Online.
CSV to Markdown Converter
Free online tool to convert CSV to Markdown Online.
CSV to TSV Converter
Free online tool to convert CSV to TSV Online.
CSV to Excel Converter
Free online tool to convert CSV to Excel Online.
TSV to Excel
Free online tool to convert TSV to Excel Online.
JSON to TSV Converter
Free online tool to convert JSON to TSV Online.
XML to YAML Converter
Free online tool to convert XML to YAML Online.
XML to HTML Converter
Free online tool to convert XML to HTML Online.
YAML to XML Converter
Free online tool to convert YAML to XML Online.
TOML to YAML Converter
Free online tool to convert TOML configuration data to YAML format.
CSV to XML Converter
Free online tool to convert CSV to XML Online.
HTML to BBCode Converter
Free online tool to convert HTML to BBCode
HTML to XML Converter
Free online tool to convert HTML to XML Online.
HTML to PUG Converter
Free online tool to convert HTML to PUG Online.
YAML to JSON Converter
Free online tool to convert YAML to JSON Online.
YAML to Properties Converter
Free online tool to convert YAML to Java .properties format.
HTML to JSON Converter
Free online tool to convert HTML to JSON Online.
HTML to CSV Converter
Free online tool to convert HTML to CSV Online.
JSON to HTML Converter
Free online tool to convert JSON to HTML Online.
HTML to YAML Converter
Free online tool to convert HTML to YAML Online.
CSV to HTML Converter
Free online tool to convert CSV to HTML Online.
CSV to Table Converter
Free online tool to view CSV as a searchable, sortable HTML table in your browser
XML to TSV Converter
Free online tool to convert XML to TSV Online.
XML to CSV Converter
Convert XML to CSV online: flatten nested tags, quote fields, choose comma semicolon or tab
JSON to CSV Converter
Free online tool to convert JSON to CSV Online.
VCF to CSV Converter
Free online tool to convert VCF to CSV Online.
YAML to CSV Converter
Free online tool to convert YAML to CSV Online.
HTML to DOC Converter
Free online tool to convert HTML code or files to DOCX format.
SQL to HTML
Free online tool to convert SQL to HTML online
SQL to YAML Converter
Convert SQL INSERT statements and SELECT query results to YAML online
SQL to XML
Free online tool to convert SQL to XML online
SQL to JSON
Free online tool to convert SQL to JSON online
JSON to SQL
Free online tool to convert JSON to SQL CREATE TABLE and INSERT statements
CSV to SQL Converter
Free online tool to convert CSV to SQL CREATE TABLE and INSERT statements
SQL to CSV
Free online tool to convert SQL to CSV online
String to JSON
Free online tool to convert String to JSON online
CSV to TXT
CSV to TXT is used to convert CSV file to Txt file
TXT to CSV
TXT to CSV is used to convert Txt file to CSV file
JSON to Text
Just load your JSON in the text area and it will automatically get converted to plain text.
JSON to BSON
A JSON to BSON tool converts JSON into BSON, a binary format for efficient data storage and transmission, used in systems like MongoDB
TSV to CSV Converter
Free online tool to convert TSV to CSV Online.
JSON Parser
Online JSON Parser helps to parse, view, analyze JSON data in Tree View
JSON Size Analyzer
Analyze JSON size by property with bytes and percentage in a tree view.
XML to XSD Converter
Free online tool to convert XML to XSD Online.
XSD to XML Converter
Free online tool to convert XSD to XML Online.
JSON Viewer
Online JSON Viewer helps to parse, view, analyze JSON data in Tree View
XML Viewer
Online XML Viewer helps to parse, view, analyze XML data in Tree View
Yaml Parser
This free tool allows you to parse Yaml data online and instantly. Simply paste or upload your Yaml, and the tool will structure it for easy readability.
Yaml Viewer
This free tool allows you to parse Yaml data online and instantly. Simply paste or upload your Yaml, and the tool will structure it for easy readability.
JSON Flatten
Flatten or unflatten JSON objects with a custom delimiter and output format.
Text to JSON
Convert plain text into structured JSON instantly.
JSON to Excel
This tool allows you to instantly convert JSON to Excel online with clean, structured output ready for APIs, testing, or data migration.
Excel to JSON Converter
Convert Excel rows and columns into structured JSON for web apps and APIs
XML to Excel Converter
Free online tool to convert XML data to Excel spreadsheets (.xlsx/.xls) with live preview, supporting nested elements and attributes.
Excel to XML Converter
Free online tool to convert Excel spreadsheets (.xlsx/.xls/.csv) to well-formatted XML with custom root and row tag names.
BBCode to HTML
Convert BBCode forum markup to clean HTML with safe links, quotes, and code blocks
BSON to JSON
A BSON to JSON tool converts BSON, a binary format for efficient data storage and transmission, into JSON format, making it human-readable and easier to work with.
XML Parser
Online XML Parser helps to parse, view, analyze XML data in Tree View
JSON to One Line
This free tool allows you to convert formatted JSON to a single line of text instantly.
JSON to Table
Convert JSON into a sortable, filterable, editable table with a read-only tree view.
Blob Generator
Free online tool to generate organic SVG blob shapes
Visual JSON
Free online tool to visualize JSON as an interactive collapsible tree
JSON to Blob
Convert JSON to Blob
HAR File Viewer
Free online tool to view, analyze, and inspect HTTP Archive (HAR) files side-by-side like a browser console's network tab.
Schema Markup Generator
Free online tool to create JSON-LD structured data for articles, FAQs, products, businesses, jobs, courses, events, recipes, videos, and more.
XLSB to XLSX Converter
Convert Excel binary XLSB workbooks to XLSX format
XLS to XLSX Converter
Convert legacy Excel XLS workbooks to XLSX format
Number Base Converters
Convert numbers between binary, octal, decimal, hexadecimal, BCD, and Gray code. Quick, accurate base conversions for programmers, students, and embedded developers.
BCD To Decimal
Convert from base BCD to Base 10 integer
HEX To Decimal
Online tool to convert your HEX to Decimal
HEX To BCD
Online tool to convert your HEX to BCD
Decimal To BCD
Convert from base 10 integer to base BCD
Decimal To Gray Code
Convert Decimal values To Gray Code values
Gray Code to Decimal
Convert Gray values to Decimal values
Binary to Decimal Converter
Free online tool to convert Binary to Decimal Converter Online.
Binary to Gray Code Converter
Free online tool to convert Binary to Gray code Online.
Binary to Octal Converter
Free online tool to convert Binary to Octal Online.
Octal to Decimal Converter
Free online tool to convert Octal to Decimal Online.
Decimal to Binary Converter
Free online tool to convert Decimal to Binary Online.
Decimal to Octal Converter
Free online tool to convert Decimal to Octal Online.
Decimal to Hexadecimal Converter
Free online tool to convert Decimal to Hexadecimal Online.
Hex to Binary Converter
Free online tool to convert Hexadecimal to Binary Online.
Octal to Binary Converter
Free online tool to convert Octal to Binary Online.
Binary to Text Converter
Translate binary code (0s and 1s) to readable ASCII text instantly
Binary to Hex Converter
Free online tool to convert Binary to Hex Online.
ASCII to Binary Converter
Free online tool to convert ASCII to Binary Online.
ASCII to Hex Converter
Free online tool to convert ASCII to Hex
ASCII to Text Converter
Free online tool to convert ASCII to Text Online.
Text to ASCII Converter
Free online tool to convert Text to ASCII Online.
Gray Code to Binary Converter
Free online tool to convert Gray Code to Binary Online.
Text to Binary
Free online tool to convert Text to Binary online
Octal to Hexadecimal
Free online tool to convert Octal to Hexadecimal online
IP to Hex
This tool converts Internet Protocol (IPv4) addresses to hexadecimal form
Hex to IP
This tool converts hexadecimal form to Internet Protocol (IPv4) addresses
Hex to ASCII
Hex to ASCII converter is used to convert Hex numbers to ASCII character
Decimal to ASCII
Decimal to ASCII converter is used to convert Decimal numbers to ASCII character
ASCII to Decimal
ASCII to decimal converter is used to convert ASCII character to Decimal numbers
Unicode to ASCII
Unicode to ASCII Converter is a tool that transforms Unicode-encoded text into ASCII, providing a simplified character set.
ASCII to Unicode
A simple browser-based utility that converts ASCII to Unicode
Octal to ASCII
A simple browser-based utility that converts octal digits to ASCII symbols
Hex to UTF-8
World's simplest browser-based hexadecimal to UTF8 converter.
Base64 to Hex
The “Base64 to Hex” converter is a free tool which is able to convert online Base64 strings to Hex values.
Hex to Base64
The “Hex to Base64” converter is a free tool which is able to convert online Hex strings to Base64 values.
Octal to Text Converter
Convert octal numbers to plain text, decode base-8 values to ASCII or Unicode characters
IP to Binary
The IP Address to Binary Converter is used to convert an IP address (IPv4/IPv6 address) to binary code.
Binary to IP
Converts the Binary code to IPv4 address
Hex to Octal
The “Hex to Octal” converter is a free tool which is able to convert online Hex strings to Octal values.
Scientific Notation Converter
Convert a number to and from scientific notation.
EBCDIC to ASCII
This free tool converts EBCDIC code into ASCII characters quickly, making it ideal for decoding, data conversions, and text-based applications.
Binary to String Converter
Binary to String Converter is easy to use tool to convert Binary to String data. Copy, Paste and Convert.
Base64 to Binary Converter
Base64 to Binary Converter Online helps to convert Base64 to plain Binary and helps to save and share Base64 with Binary data.
Hex to Text
Hex to Text converter is used to convert Hex numbers to Text character
Decimal to IP
This tool converts decimal form to Internet Protocol (IPv4) addresses
IP to Decimal
This tool converts Internet Protocol (IPv4) addresses to Decimal form
Decimal to Text
Decimal to Text converter is used to convert Decimal numbers to Text character
UTF8 to Hex
This free tool lets you convert UTF-8 values to hexadecimal text instantly.
Text to Decimal
Text to Decimal converter is used to convert Text character to Decimal
IPv4 to IPv6
Convert IPv4 addresses to IPv6 formats
IPv6 to IPv4
Convert IPv6 addresses to IPv4 format
Decimal To Roman
Convert decimal numerals to roman numerals
Encoders & Decoders
Encode and decode Base64, URL, UTF-8, HTML entities, JWT tokens, and more — essential utilities for debugging web requests and data transfer formats.
SQL Escape
Free online tool to escape strings and make SQL queries safe.
Unstringify JSON
The Unstringify JSON Tool instantly converts escaped JSON strings into clean, readable, properly formatted JSON.
IDN Encode
Free online tool to IDN Encode your URLs
IDN Decode
Decode Punycode (xn--) domains to readable Unicode and reveal IDN homograph spoofs
UTF8 Decode
Online tool for variable-length character UTF8 value decoding
UTF8 Encode
Online tool for variable-length character UTF8 value encoding
URL Decode
Free online tool to decode your URLs
URL Encode
Free online tool to encode your URLs
Base64 Encode
Free online tool to encode to Base64 format
Base64 Decode
Free online tool to decode Base64 Format
JWT Decoder
Free online tool to decode JWT
Caesar Cipher Decoder
Free online tool to decode messages with simple caesar cipher
XML Stringify
Free online tool to XML Stringify
JSON Stringify
Free online tool to JSON Stringify
ROT-13 Encoder/Decoder
Free online tool to Decrypt and convert ROT13 to text
Morse Code Translator
Convert text to Morse code and decode Morse to text with audio playback
Unicode Text Converter
Simply type in the text in the panel on the left and see all the range of fonts available. Simply pick the one you like from the unitext converter.
UUID Decoder
Free online tool to decode UUID version, variant, and timestamp
SAML Decoder
A simple SAML message decoder & parser, handling encoding, compression, and formatting.
Punycode Converter
ConvPunycode Converter is used to convert Punycode to Unicode
TLV Decoder
This application decodes EMV records encoded in tag-length-value (TLV) format.
JWT Generator
Free online tool to Generate JSON web tokens
HTML Escape
Online tool to escape an HTML file
Html Unescape
Online tool to unescape an HTML file
JSON Escape
Escape JSON strings: quotes, backslashes, newlines and tabs to escape sequences
JSON Unescape
Free online tool to convert escaped HTML content to plain JSON content
XML Escape
Free Online tool to escape an XML file
JavaScript Escape
Free Online tool to escape an JavaScript
Image to Base64
Image to Base64 converter converts Image to base64 data. It's easy to use base64 encoder to encode Image file.
Base64 to Image
Convert Base64 strings into previewable image output and code.
File to Base64
Encode file to Base64 online and embed it into any text document such as HTML, JSON, or XML.
PDF to Base64
Free online tool to convert PDF files to Base64-encoded strings, Data URI, or HTML embed code. 100% client-side.
Base64 to PDF Converter
Decode a Base64 string into a PDF file and download it instantly in your browser
Quoted-Printable Decoder
Decode quoted-printable encoded text back to readable characters
Color & CSS Tools
Pick and convert colors across HEX, RGB, HSL, and CMYK, and generate ready-to-use CSS for shadows, borders, gradients, and Tailwind — no design software required.
Border Radius Generator
Free online tool to generate CSS border-radius with live preview and vendor prefixes
Text Shadow CSS Generator
Create beautiful CSS text-shadow effects with multiple layers, live preview, presets like Neon Glow, 3D Text, Retro, and one-click copy. 100% client-side.
Webfont Generator
Upload webfont files, generate @font-face CSS, preview the family in-browser, and download a packaged webfont kit.
HEX to RGB
Free online tool to convert HEX color values to RGB color values
RGB to HEX
Free online tool to convert RGB color values to HEX values
CSS to LESS Converter
Convert CSS to LESS with automatic selector nesting, ready for variables and mixins
CSS to SASS
Free online tool to convert CSS to SASS online
CSS to SCSS
Free online tool to convert CSS to SCSS online
CSS to Tailwind
Free online tool to convert CSS to Tailwind online
SCSS to CSS Converter
Free online tool to convert SCSS to CSS online
CSS to Stylus Converter
Convert CSS to Stylus syntax with nesting, focus states, and clean indentation
Tailwind to CSS Converter
Free online tool to convert Tailwind to CSS online
RGB to CMYK
Free online tool to convert RGB to CMYK online
Color Contrast Checker
Free online tool to check color contrast ratio and WCAG AA/AAA accessibility compliance
RGB to HSL
Free online tool to convert RGB to HSL online
HSL to RGB
Free online tool to convert HSL to RGB online
RGB to HSV
Convert RGB color values to HSV/HSB format with live preview, color picker, and image eyedropper
HSV to RGB
Free online tool to convert HSV to RGB, with hue, saturation, and value sliders or an image color picker
HEX to HSL
Free online tool to convert HEX to HSL online
CMYK to RGB
Free online tool to convert CMYK to RGB online
HEX To CMYK
Free online tool to convert HEX to CMYK online
CMYK To HEX
Free online tool to convert CMYK to HEX online
RGBA to HEX
Free online tool to convert RGBA color values to HEX format with alpha channel support
HEX to RGBA
Free online tool to convert HEX color codes to RGBA values with alpha channel support
HEX to Tailwind
Free online tool to convert HEX color values to Tailwind class
Tailwind to HEX
Free online tool to convert Tailwind class values to HEX Codes
SASS to CSS
SASS to CSS Converter Online helps to convert plain SASS to CSS
Drop Shadow Generator
Free online tool to generate CSS box-shadow values with live preview controls
HEX To Pantone
This free tool allows developers and designers to convert HEX codes to nearest Pantone values instantly, ensuring precise color matching.
CMYK To Pantone
This free tool allows developers and designers to convert CMYK codes to nearest Pantone values instantly, ensuring precise color matching.
Pantone to HEX Converter
Convert Pantone PMS color codes to HEX for CSS, UI, and digital brand work
HSL to HEX Color Converter
Convert HSL color values to HEX color codes instantly
Pantone To CMYK
Pantone to CMYK converter is an online tool to convert your PANTONE PMS color codes to CMYK color format.
LESS to CSS
LESS to CSS helps convert LESS style format to CSS style format . It's very simple and easy way to transform and share LESS to CSS data
Hue Changer
Free online tool to change the hue of specific colors in your image. Adjust reds, oranges, yellows, greens, cyans, blues, purples and magentas independently.
Color Picker
Create custom color palettes from any image using this tool for free.
Color Blindness Simulator
Simulate protanopia, deuteranopia, and tritanopia on images to test accessibility
Color Shade Generator
Generate tints and shades of any color with HEX codes for palettes
Gradient Generator
Free online tool to generate gradient
Gradient Text Generator
Free online tool to generate CSS, Tailwind and JSX gradient text with animations
Neumorphism Generator
Create soft UI elements visually. Adjust shapes, colors, and shadows to generate neumorphic CSS instantly.
Flexbox Generator
Free online tool to generate CSS flexbox container styles with live preview
CSS Grid Generator
Free online tool to generate CSS Grid layout code with visual controls and live preview
CSS Clamp Calculator
Calculate fluid CSS clamp() values for responsive font sizes and spacing
SVG Wave Generator
Free online tool to generate layered, gradient, animated SVG waves with export to SVG, PNG, React JSX, Vue, and CSS background
Tailwind Color Generator
Free online tool to generate a Tailwind CSS 50-950 color palette from any hex
CSS Filter Generator
Free online CSS filter generator with live preview and interactive split-screen comparison. Create beautiful filters, adjust blur, grayscale, drop-shadow and copy code.
Image Color Palette Extractor
Extract dominant color palettes from any image or pick exact colors with an eyedropper
Image & File Converters
Convert images, documents, and archives between formats — PDF, JPG, PNG, SVG, ZIP, RAR, and more — directly from your browser.
PHP to PDF Converter
Convert PHP source code to beautifully formatted PDF documents with line numbers, monospace font, and automatic page breaks. Free online tool — runs entirely in your browser.
Python to PDF Converter
Convert Python source code to beautifully formatted PDF documents with line numbers, monospace font, and automatic page breaks. Free online tool — runs entirely in your browser.
RAR to PDF Converter
Converts RAR archives containing multiple files into either separate individual PDFs packed into a ZIP or one single merged PDF document.
RAR to JPG
Free online tool to convert images from RAR archives to JPG files
RAR Converter
Convert RAR archives to ZIP format online without installing software
ZIP to JPG
Free online tool to convert images from ZIP archives to JPG files instantly. 100% client-side and private.
C++ to PDF
Convert C++ code to a printable PDF with configurable font size, line numbers, theme, page margins, and title options.
SQL to PDF
Convert SQL code to a printable PDF with configurable font size, line numbers, theme, page margins, and title options.
ZIP to PDF Converter
Convert ZIP files into individual PDFs and download them together as a ZIP or merged PDF with ease.
SRT to VTT Converter
Online tool for converting SRT files to VTT files
SVG to React Native JSX
Free online tool to convert SVG to React Native JSX with live preview and output display
SVG to Code
Free online tool to convert SVG files to HTML, React JSX, or React Native code with instant previews
PNG to HTML
Free online tool to convert PNG images to standalone HTML files with embedded Base64 data.
Code to PDF
Free online tool to convert source code into a syntax-highlighted PDF. Supports 30+ languages and 14 themes.
HTML to JADE Converter
Free online tool to convert HTML to JADE online
Word to PDF
Free online tool to convert Word documents (.docx) to PDF directly in your browser
Excel to PDF
Free online tool to convert excel documents (.xls) to PDF directly in your browser
Excel to Word Converter
Convert Excel and CSV spreadsheets to an editable Microsoft Word document table
Excel to JPG Converter
Convert Excel spreadsheets to JPG images online, free and in your browser
PSD to PDF
Free online tool to convert Adobe Photoshop (PSD) files to PDF
HTML to PDF
Free online tool to convert HTML files to PDF
MHTML to PDF Converter
Convert MHTML and MHT web archives to PDF in your browser with live preview
HTML to PPT
Free online tool to convert HTML into PowerPoint slides directly in your browser
AZW3 to PDF
Free online tool to convert AZW3 ebooks to PDF directly in your browser
SVG to PDF
Free online tool to convert SVG vector files to PDF
PDF to AZW3
Free online tool to convert PDF files to AZW3 directly in your browser
PDF to MOBI
Convert PDF files to Kindle-compatible MOBI ebooks online free
PDF to Excel
Free online tool to convert PDF files to Excel (XLS) format
ODS to Excel
Free online tool to convert ODS spreadsheets to Excel (XLS) format
OXPS to PDF
Free online tool to convert OXPS documents to PDF format
JSON to PDF
Convert JSON to PDF with table view, formatted JSON, or plain text.
HEIC to PDF
Convert HEIC to PDF online for free
JPG to PDF
Convert JPG to PDF online for free
PDF to JPG
Convert PDF pages to JPG images online, for free.
Image Inverter
Free online tool to invert the colors of any image instantly.
Darken Image
Free online tool to darken an image with a simple percentage slider.
Image Contrast Adjuster
Free online tool to adjust picture contrast, brightness, and saturation with live preview and download
Blur Image
Free online tool to blur images online with adjustable blur type and intensity
Grayscale Image
Free online tool to convert color images to grayscale online
Rotate Image
Rotate JPG, PNG, or WEBP images online by 90, 180, or custom angles in your browser
Crop Image
Free online tool to crop images by defining width, height, and position coordinates.
Pixelate Image
Our Pixelate Image tool lets you pixelate pictures online in just one click.
Posterize Image
Reduce the color levels and tones of your images to create flat areas of color and retro poster art.
SVG to AI Converter
Convert SVG files to Adobe Illustrator (AI) format online for free. Upload your .svg file and download a high-quality .ai file instantly.
AI to SVG Converter
Convert Adobe Illustrator (AI) files to SVG format online for free. Upload your .ai file and download a web-ready .svg file instantly.
Vertical to Horizontal Image Converter
Convert your vertical images to horizontal images instantly with our free online tool.
BMP to PNG
Convert BMP to PNG online, for free.
PSD to PNG
Convert PSD to PNG online, for free.
GIF to JPG
Convert GIF to JPG online, for free.
HEIC to JPG
Convert HEIC to JPG online, for free.
HEIC to PNG
Convert HEIC to PNG online, for free.
GIF to PNG
Convert GIF to PNG online, for free.
GIF to APNG
Convert GIF to APNG online, for free with resizing features.
BMP to JPG
Convert BMP to JPG online, for free.
JPG to PNG
Convert JPG to PNG online, for free.
JPG to Excel
Extract a table from a JPG, PNG, or screenshot into an editable Excel spreadsheet
JPG to SVG
Convert JPG to SVG online, for free.
JPG to HTML
Free online tool to convert JPG or PNG images into an HTML file.
STL to SVG
Convert STL to SVG online, for free.
STL to DXF Converter
Convert STL 3D models to DXF format for CAD workflows
ZIP to PNG
Convert images in ZIP to PNG online, for free.
MP4 to WebM
Convert MP4 to WebM online, for free.
WebM to MP4 Converter
Convert WebM videos to MP4 (H.264/AAC) in your browser with no upload
Video to GIF
Convert MP4, WebM, and MOV video to animated GIF in your browser
PNG to JPG
Convert PNG to JPG online, for free.
PNG to WebP
Convert PNG to WebP online, for free.
JPG to WebP
Convert JPG to WebP online, for free.
WebP to PNG
Convert WebP to PNG online, for free.
SVG to PNG
Convert SVG to PNG online, for free
AVIF to PNG
Convert AVIF to PNG online, for free.
AVIF to WebP
Convert AVIF to WebP online, for free.
TIFF to PNG
Convert TIFF to PNG online, for free
WebP to GIF
Convert WEBP images to GIF format in your browser, free and fully private
HTML to PNG
Render HTML and inline CSS into a PNG image in your browser, free and private
WEBP to JPG
Convert WEBP to JPG online, for free
JPG to AVIF
Convert JPG to AVIF online, for free
PNG to AVIF
Convert PNG to AVIF online, for free.
PNG to SVG
Convert PNG to SVG online, for free.
WebP to SVG
Convert WebP to SVG online, for free.
PNG to EPS
Convert PNG to EPS online, for free.
EPS to PNG
Convert EPS to PNG online, for free.
EPS to SVG Converter
Convert EPS vector graphics to scalable SVG files in your browser
JSON to JPG
Convert JSON to JPG online, for free.
Image Size Finder
Find size of an Image
YouTube Thumbnail Downloader
Download high-quality thumbnails from any YouTube video instantly with just a link.
PDF to JSON
Convert PDF to JSON
PDF to Handwriting Converter
Free online tool to convert PDF text into realistic handwritten pages with custom fonts and paper effects
Rainbow Filter
Free online tool to add rainbow filter effects to images
Code to Image
This tool lets users input or upload code, then generate and preview an image.
Website to JPG Converter
Convert any website URL to a full-page JPG screenshot online for free. Capture the entire webpage from header to footer instantly.
HTML to JPG
Convert HTML markup to a JPG image online, free and entirely in your browser
ASS to SRT Converter
Free online tool to convert ASS subtitle files to SRT format
VTT to SRT Converter
Convert WebVTT caption files to SRT subtitle format
Image Splitter
Free online tool to split any image into multiple parts instantly for editing, printing, social media grids, or creative projects.
PNG to EPUB Converter
Free online tool to convert PNG images into EPUB ebook files instantly.
MOBI to EPUB Converter
Convert DRM-free MOBI, AZW, and PRC ebooks to EPUB in your browser
PDF to PNG Converter
Convert PDF pages to high-resolution PNG images in your browser
Unlock PDF
Unlock PDF files by removing owner restrictions and open passwords in your browser
PDF to TIFF Converter
Convert PDF documents to TIFF images for archiving and printing
TIFF to PDF Converter
Convert TIFF images to PDF documents in your browser
Favicon Generator
Create PNG favicons in all standard sizes from 16x16 to 512x512 from any image
PNG to ICO
Convert PNG to ICO online, for free.
PNG to GIF
Free online tool to convert PNG images to GIF, including animated GIFs
GIF Splitter
Free online GIF Splitter to separate animated GIFs into individual frames. Play GIFs frame-by-frame, filter frames, and download as ZIP in PNG, JPG, or WebP formats.
EPUB to PDF
Free online tool to convert EPUB ebooks to PDF directly in your browser with complete privacy
FB2 to PDF
Free online tool to convert FB2 ebooks to PDF directly in your browser
PPT to HTML Converter
Convert PowerPoint presentations (PPT/PPTX) to browser-ready HTML pages instantly
Text Tools
Clean, sort, extract, and transform text online. From case and entity converters to word sorters and space removers, these tools speed up everyday editing tasks.
htaccess Generator
Free online tool to generate Apache .htaccess rules for redirects, HTTPS, error pages, caching, compression, and more
htaccess Redirect Generator
Free online tool to generate Apache .htaccess redirect rules: force HTTPS, redirect www to non-www (or vice versa), and normalize trailing slashes with 301/302, HSTS preload and proxy options
Webhook Tester
Free online webhook tester: get a unique URL, send webhooks to it, and inspect every request's method, headers, query, and body in real time
Nginx Config Generator
Free online tool to generate an Nginx server block config with HTTPS, HTTP/2, HSTS, gzip, reverse proxy, and PHP support
Webhook Tester
Free online webhook tester: get a unique URL, send webhooks to it, and inspect every request's method, headers, query, and body in real time
Text to HTML Entities Converter
Free online tool to convert text to HTML Entities.
Text to Link Converter
Free online tool to convert text to link.
HTML Entities To Text Converter
Free online tool to convert HTML Entities to Text.
Phone Letters to Numbers
Free online tool to convert telephone keypad letters to digits for vanity numbers and phonewords
Phone Number Extractor
Free online tool to extract Phone Number online
Reverse Text Generator
Free online tool to reverse text online
Small Text Generator
Free online tool to generate small text
Cursive Text Generator
Convert text into cursive, Gothic, and decorative Unicode fonts with a character counter
Word Sorter
Online tool to sort words in a string
Number Sorter
Sort space sperated number string
Remove Spaces
Remove extra spaces from text
Text to One Line
Removes line breaks and converts multi-line text into a single line.
Remove Line Breaks
Remove line breaks and newlines from text and join it into a single line
Column to Comma-Separated Values (CSV)
Our free comma separator tool automatically converts a column to a comma-separated list or list to CSV
Is JavaScript Enabled?
Checks if JavaScript is enabled for the browser or not
Rows to Columns Converter
World's simplest online text data rows to columns transformer for web developers and programmers. Just paste your data in the form below, press the Convert button, and the rows will get converted to columns.
Tokenizer
Estimate token counts for different model families
Bionic Reading Converter
Improve your reading speed and focus by highlighting fixation points in text.
Find And Replace String
Find and-replace strings in browser itself
Word Shuffler
Online tool to randomly shuffle words in a string
Shuffle Letters
Online tool to randomly shuffle letters in a string
Shuffle Text Lines
Online tool to randomly shuffle text lines
Sorting List
Online tool to sort a list
String Split By Delimiter
Online tool to split a sting by a defined delimiter
Text Lowercase
Online tool to convert text string into lowercase values
Case Converter
Online tool quickly changes text between uppercase, lowercase, title case, and more.
Linkedin Text Formatter
Online tool quickly changes text between uppercase, lowercase, title case, and more.
Text Uppercase
Online tool to convert text string into uppercase values
Text Repeater
Generate strings of text and repeat them up to 25 times
Text Rotater
Rotate any string of characters to the left or right
Character Count
Online tool to count numbers in a string
Word Count
Online tool to count words in a string
Reading Time Calculator
Free online tool to estimate reading time and read-aloud time from your text using words-per-minute speeds
Line Counter
Free online tool to count number of lines in your Text
Tally Counter
A tally counter is a simple tool used to keep track of numbers or counts.
Sentence Count
Online tool to count number of sentences in text
Extract Text From HTML
Free online tool to extract tags and preserve text structure.
Extract Text from JSON
Online tool to Extract Text from JSON
Extract Text from XML
Online tool to Extract Text from XML
Strip HTML
Free online tool to return a string with all null bytes.
Letter Sorting
Free online tool to sort letters within words or an entire text block alphabetically, in reverse, or randomly.
Remove Diacritics
World's simplest browser-based utility for removing accents from text.
Remove Duplicates Online
Free online tool to remove duplicate lines from text.
Add Prefix Or Suffix
This tool adds a prefix and suffix online easily to lines of text you have.
Extract Numbers From Text
Want to extract the numeric part from a text online? Simply input the information and the tool will grab all the numbers from the string.
Punctuation Remover
World's simplest online punctuation remover for web developers and programmers. Just paste your text in the form below, press the Remove Punctuation button, and you'll get text with no punctuation. Press a button – get a clean text. No ads, nonsense, or garbage.
Domain Extractor
Free online tool to extract domain names and URLs from any block of text instantly.
UTM Builder
Free online tool to build trackable campaign URLs with UTM parameters for marketing analytics.
Words to Pages Converter
Estimate how many pages a word count fills by font, size, and spacing
Calculators & Unit Converters
Free online calculators and unit converters for percentages, lengths, PX/REM/EM values, probabilities, grades, and dozens of other everyday and engineering calculations.
XOR Calculator
Free online tool to calculate the XOR
REM to PX Converter
Free online tool to convert CSS unit REM values to pixels(PX).
PX to REM Converter
Free online tool to convert pixels(PX) to the CSS unit REM.
PX to EM Converter
Free online tool to convert CSS PX values to EM units with an adjustable base font-size
Length Converter
Free online tool to convert length and distance units
Words to Numbers
Words to numbers converter is used to convert the descriptive form of a number into the digit form
Numbers to Words
Convert numbers to word. This tool is used to convert digital form of a number to it's descriptive form
Fibonacci Calculator
Generate Fibonacci numbers for a range or calculate a single Fibonacci number (Fn) for any n up to ±500
Binary Calculator
Free online tool to calculate the Binary operation
Percentage Calculator
Free online tool to calculate percentages, percentage difference, and percentage change
RSD Calculator
Free online tool to calculate Relative Standard Deviation (RSD), standard deviation, variance, and mean
Grade Calculator
Free online tool to calculate weighted average grades and find the additional grade needed for a target average
OPS Calculator
Free online tool to estimate monthly pension, family pension, and retirement gratuity under the Old Pension Scheme
Dice Probability Calculator
Free online tool to calculate dice roll probabilities and odds for standard and custom dice
Time Calculator
Free online tool to add or subtract time durations and calculate dates by adding or subtracting time
Bitwise Calculator
Free online tool to calculate the Bitwise operation
Truth Table Generator
Generate a truth table from a boolean expression using AND, OR, NOT, XOR, NAND, NOR
Hex Calculator
Add, subtract, multiply, divide and bitwise hexadecimal numbers with decimal and binary results using this free online tool
Rounding Calculator
The Rounding Calculator round to nearest number.
Rotation Calculator
Calculate the new coordinates of a point that has rotated about the z-axis of the coordinate plane.
IP to Hostname
This free tool allows you to convert any IP address to hostname for that IP.
Miles to KM
Convert Miles to Kilometers
KM to Miles
Convert Kilometers to Miles
Knots to MPH
Convert Knots to MPH
Fraction to Decimal
Convert simple and mixed fractions to decimal values.
Fraction Calculator
A fraction calculator is a tool that helps you easily perform arithmetic operations (like addition, subtraction, multiplication, and division) with fractions and get simplified results instantly.
Decimal to Fraction
Convert decimal values to simplified fractions.
MB to GB
Convert Megabytes to Gigabytes
GB to MB
Convert Gigabytes to Megabytes
Bit Shift Calculator
Free online tool to calculate the Bit Shift operation
Hostname to IP
Find all DNS records for a domain name using this online tool
IPv6 Subnet Calculator
Expand and compress an IPv6 prefix, view its mask, address range, and /64 count, and divide it into smaller subnets using this free online tool
Domain to IP
Free online tool to convert multiple domain names to their IP addresses using DNS lookup
Domain Age Checker
Check the age and registration date of any domain name
Domain Expiry Checker
Check when a domain name expires with registrar and renewal details
HTTP Status Code Checker
Free online tool to check HTTP status codes, server locations, and robots.txt files for multiple URLs
DMARC Record Checker
Validate a domain’s DMARC DNS record for correct syntax and policy to prevent email spoofing and phishing using this free online tool
MX Lookup
Check a domain’s MX (mail exchange) records, priorities, and mail server details using this free online tool
DNS Propagation Checker
Check DNS propagation worldwide for A, AAAA, CNAME, MX, NS, PTR, SOA, SRV, and TXT records from DNS servers in multiple global locations using this free online tool
Page Size Checker
Test a website’s total page size and request count with a breakdown by HTML, CSS, JavaScript, images, and fonts using this free online tool
Time Zone Converter
Convert and compare the time across multiple cities and time zones at once, with DST-aware offsets, using this free online tool
Hours to Days
Converts hours to days in the fastest way
Days to Hours
Converts days to hours in the fastest way
Hours to Seconds
Converts hours to seconds in the fastest way
Cron Parser
This free tool lets you instantly convert any cron expression to readable format.
Venmo Fee Calculator
Our Venmo Instant Transfer Fee Calculator makes it easy to calculate venmo instant transaction fee.
Kilograms to Pounds (lbs)
This free online tool allows you to instantly convert Kilograms to Pounds (lbs) with ease, providing fast, accurate results for travel, fitness, academics, and more.
Pounds to Kilograms
This free online tool allows you to instantly convert pounds (lbs) to kilograms with ease, providing fast, accurate results for travel, fitness, academics, and more.
Reverse IP Lookup
This free tool allows you to convert any IP address to hostname for that IP.
Fahrenheit to Celsius Converter
Convert temperature, degrees Fahrenheit to degrees Celsius and show solution with steps.
Celsius to Fahrenheit Converter
Convert temperature, degrees Celsius to degrees Fahrenheit and show solution with steps.
Degrees to Radians
Convert Degrees to Radians
Radians to Degrees
Convert Radians to Degrees
Data Size Calculator
Convert between different data units like Bytes, KB, MB, GB, and TB with precision.
Prime Number Calculator
This prime number calculator will find if a number is prime or composite.
Unix Time Converter
Free tool to convert Unix/Epoch timestamp to readable date and time format.
Seconds to Hours
Converts seconds to hours in the fastest way
Thousands Separator
This free tool allows you to instantly convert number to readable text, with thousands separator
MAC Address Lookup
A MAC address lookup tool identifies a device's manufacturer and related details by analyzing its unique hardware address.
Cookie Converter
Cookie Converter is easy to use tool to convert Cookie data. Copy, Paste and Convert.
Email Extractor
Extract email addresses from text, HTML source, or files. Deduplicate, filter by domain, and export as TXT, CSV, or JSON.
Standard Deviation Calculator
Free online tool to calculate sample and population standard deviation with variance, mean, steps, and a normal-curve graph.
Uptime / SLA Calculator
Calculate downtime from a given SLA percentage, or uptime SLA from downtime duration.
Email Checker
A free tool to validate email deliverability and syntax.
Aspect Ratio Calculator
Free online tool to calculate, resize, compare, and simplify aspect ratios with presets and units
Ping IPv6
Ping IPv6 addresses or hostnames
Bandwidth Calculator
Free online tool to estimate transfer time, convert data units, and plan internet speed and bandwidth usage
cURL Command Builder
Free online tool to build cURL commands visually with headers, body, and options
Subnet Calculator
An easy-to-use tool for calculating subnet information for both IPv4 and IPv6 addresses. Get network details, host ranges, and more in an instant.
CIDR Calculator
Free online tool to calculate IP ranges, subnet masks, and network details from CIDR notation.
Exponential Growth Calculator
Free online tool to calculate exponential growth or decay from initial value, rate, and elapsed time
Playback Speed Calculator
Free online tool to calculate the new duration of a video or podcast at any playback speed
View Page Source
Extract the source code of a web page
Phone Vibration Test
Test your phone's vibration motor directly from your browser. Choose a pattern, set duration and repeats, then tap Vibrate to check if your haptic feedback is working.
Certificate Decoder
Decode certificates and inspect their contents
SPF Record Checker
Check SPF record of a domain
Core Web Vitals Checker
Free online tool to test and analyze Core Web Vitals and Lighthouse metrics including LCP, CLS, INP, accessibility, and SEO performance.
Canonical Tag Checker
Check Canonical Tag usage on a webpage
H1 Tag Checker
Check any URL for missing, duplicate, or multiple H1 heading tags
CM To Inches
Free online tool to convert cm to inches
CM to Feet
Free online tool to convert cm to feet
Feet to CM
Free online tool to convert feet to cm
Inches To CM
Free online tool to convert inches to cm
URL Parse
Free online tool to parse your URLs
CORS Tester
Free online tool to test whether an API or URL allows Cross-Origin Resource Sharing (CORS).
Credit Card Validator
This free online tool allows you to validate credit card numbers to ensure they are genuine and follow the standard format.
What is my User Agent
The “My User Agent” page shows what your web browser sends in the "User-Agent" header for your HTTP requests.
User Agent Parser
Parse user agent strings to identify browser, OS, and device details
What version of Chrome do I have?
Tells the Chrome version you are using
What Is My IP Address
Shows the IP address of the user
Am I Using Tor?
Instant Tor check that matches your public IP against known Tor exit nodes
Internet Speed Test
Tells you the upload and download speed
What Operating System do I have
Tells the OS name and version
What version of Windows do I have?
Tells the Windows version you are using
What Is My ISP (Internet Service Provider)?
Detect the user's ISP (Internet Service Provider).
What version of Flash do I have?
Checks if Flash is insalled for the browser or not and tells its version.
What version of Android do I have?
Tells the Android version you are using
What version of Safari do I have?
Tells the Safari version you are using
What's My Browser Size?
Tells the browser window size in pixels
Device Pixel Ratio Checker
Free online tool to check your device pixel ratio and screen density metrics
What version of iOS do I have?
Tells the iOS version you are using
What version of Firefox do I have?
Tells the Firefox version you are using
What version of macOS do I have?
Tells the macOS version you are using
What Version of Java Do I Have
Checks if Java is installed for the browser or not and tells its version.
What Is My Local IP Address
Shows the local IP address of the user
IP Range Calculator
Calculate IP address ranges, subnet masks, and CIDR notation
What is my Browser
This free tool helps to instantly check your browser version. Simply visit the tool, and it will automatically detect and display your browser version.
URL Extractor
Free online tool to extract URLs from text.
CVSS Calculator
This tool shows the components of a CVSS assessment and allows you to refine the resulting CVSS score with additional or different metric values.
WebRTC Test
Test WebRTC browser support, IP leaks, STUN/TURN connectivity and codec support
Reaction Time Test
Free online reaction time test to measure your reflex in milliseconds over five trials
Modulo Calculator
Calculate the modulo (remainder) of any division instantly
Robots.txt Generator
Create custom robots.txt files with crawl rules for search engines
Phone Number Validator
Free online tool to validate phone numbers and check country, line type, and formats
Watt to dbm
Convert Watts (W) and milliwatts (mW) to dBm RF power levels
Port Checker
Free online tool to check if a TCP port is open on any host or IP
dBm to Watt
Convert dBm to Watts (W) and milliwatts (mW) RF power levels
Random & Test Data Generators
Generate random names, numbers, UUIDs, passwords, fake text, and complete dummy datasets — plus AI-powered generators — for software testing, QA, and database seeding.
AI Code Generator
Free online tool to generate code in any popular language from a plain-English prompt.
Excel Formula Generator
Generate Excel and Google Sheets formulas from a plain-English prompt.
Random Vacation Generator
Free online tool to generate random vacation destinations with budget, best season, and safety details.
User Story Generator
Free AI tool to generate agile user stories with acceptance criteria from a plain-English feature description.
AI Email Writer
Write emails with AI
AI Theme Generator
Generate creative themes with AI
Packgod Roast Generator
Free online tool to turn a prompt into a fast, funny AI roast.
Gitignore Generator
Generate .gitignore files instantly for any tech stack. Search 570+ templates for languages, frameworks, IDEs, and OS.
README Generator
Free online tool to generate professional README.md files for your projects using AI.
Crontab Generator
Free online tool to generate crontab with ease
Random Location Generator
Generate random places and cities worldwide, or filter by continent, country, and specific classification groups.
JSON Schema Generator
A JSON Schema Generator tool automatically creates a structured JSON Schema definition from sample data or input models, helping validate and standardize JSON formats.
JSON Generator
This free tool allows you generate JSON effortlessly, from random data.
Email Subject Line Generator
A tool that quickly generates catchy email subject lines based on your email topic to help improve open rates.
Meta Description Generator
Free online tool to generate SEO meta descriptions from a website or page description.
OG Tag Generator
Generate Open Graph Meta tags quickly and easily to ensure your website links look perfect when shared on social media platforms.
Loading GIF Generator
A Loading GIF Generator is a tool that lets users create and customize animated loading spinners or GIFs for websites, apps, and interfaces.
HTML Resume Builder
Free online tool to create and download professional HTML resumes instantly.
Fake Detail Generator
Free online tool to quickly generate realistic, randomly created fake identities and user details.
Random Country Generator
Generate random countries with capital, population, currency, flag, and ISO code
Random Coordinate Generator
Generate random latitude and longitude coordinates for maps, location testing, fixtures, and geospatial data workflows.
Random JSON Generator
Free online tool to generate a random JSON file with any number of values.
Random XML Generator
Free online tool to generate XML code based on XML template.
Random CSV Generator
Free online tool to generate random IP addresses conveniently.
Random YAML Generator
Free online tool to generate random YAML
Random Year Generator
Free online tool to generate random years
Placeholder Image Generator
Online tool to generate a placeholder image of desired dimensions
Random Binary Generator
Free online tool to generate random binary numbers or digits
Random Character Generator
Free online tool to generate random characters
Random Color Generator
Free online tool to generate random color
Random Date Generator
Free online tool to generate random calendar dates
Random Decimal Fraction Generator
Free online tool to generate random Decimal Fraction
Random Decimal Number Generator
Free online tool to generate random Decimal value
Random GUID Generator
Free online tool to generate random GUID Value
Aesthetic Generator
Free online tool to generate random two-word aesthetics
Random Hex Generator
Free online tool to generate random Hex values
Random Octal Generator
Generate random octal (base-8) numbers with one click for tests and chmod examples
Random IP Generator
Generate random IPv4 IPv6 addresses with private range filters for network test data
User Agent Generator
Free online tool to generate realistic browser user agent strings
Random MAC Generator
Free online tool to generate random MAC addresses
Random Number Generator
Free online tool to generate random number values
Random Paragraph Generator
Free online tool to generate random text paragraphs
Random Password Generator
Free online tool to generate random passwords
Random Time Generator
Free online tool to generate random time values
Random UUID Generator
Free online tool to generate random UUID values
Random Sentence Generator
Free online tool to generate random text sentence
Random String Generator
Free online tool to generate random string value
Random Word Generator
Free online tool to generate random word strings
Random Animal Generator
Generate random animals by category as a list, comma-separated text, or JSON
Random Emoji Generator
Free online tool to generate random emoji
Random Text from RegEx
Free online tool to Random Text from RegEX
Test Data Generator
Online tool to generate test Data
Lorem Ipsum Generator
Free online tool to generate random Lorem Ipsum text.
Credit Card Number Generator
Free online tool to generate random and realistic credit card numbers.
QR Code Generator
Create static QR codes from URLs or text and download the PNG image
Random Byte Generator
Free online tool to generate a random byte output.
Random Username Generator
Free online tool to generate a random user name output.
Random Unicode Generator
Free online tool to generate a random unicode output.
Random Base64 Generator
Free online tool to generate a random base64 output.
Random ISBN Generator
Free online tool to generate a random ISBN 10/13 Number.
Barcode Generator
Free online tool to generate Barcode.
Random name Generator
Free online tool to generate random names
Girl Name Generator
Free online tool to generate girl names with optional surnames and variants
Boy Name Generator
Free online tool to generate random boy names
Last Name Generator
Free online tool to generate random last names
Random State Generator
Free online tool to generate random state names
Random Address Generator
Generate up to 50 fake addresses with street, city, zip, phone for 250 countries
Random TSV Generator
Free online tool to generate TSV
Random Bitmap Generator
Free online tool to random bitmap
Random UTF8 Generator
Free online tool to random UTF8 Generator
Test Case Generator
Effortlessly Generate Test Cases
HTML Code Generator
HTML Code Generator Adapts To Your All Preferred Frameworks & CSS Libraries
Routing Number Generator
Generate valid-format U.S. bank routing numbers instantly with Routing Number Generator. Whether you’re testing payment flows, simulating bank forms, or working in sandbox environments, this tool gives you quick and reliable output.
IMEI Generator
This tools help generate the International Mobile Equipment Identity (IMEI) is a number, usually unique, to identify 3GPP and iDEN mobile phones, as well as some satellite phones.
Tweet Generator
Free online tool to generate tweet.
API Key Generator
Create secure, random API tokens instantly with the API Key Generator. Ideal for mocking authentication flows, simulating token-based access, or setting up test environments.
Hyperlink Generator
A Hyperlink Generator is a tool that creates HTML links, helping users easily connect and navigate web content.
MySQL Password Generator
Protect your MySQL database with a strong, secure password generated by our tool. Keep your data safe from malicious attacks. Generate a MySQL password now!
Phone Number Generator
Free online tool to generate random phone numbers with proper formatting for testing and development purposes. Supports 25+ countries with accurate formats.
Katalon Automation Capabilities Generator
Accelerate your testing with our AI Katalon test case generator.
Random Zip Code Generator
Generate random valid US zip codes with city and state details
URL Slug Generator
A URL slug is a part that comes at the very end of a URL and is the exact address of a specific page on your website.
Email Generator
The Email Generator instantly gives you unique email addresses with customizable lengths. Ideal for devs, designers, and QA teams creating user flows or dummy data. Try it now for quick, hassle-free email generation!
MATLAB Code Generator
An AI-powered tool that converts user prompts into accurate, ready-to-use MATLAB code instantly.
Word Combiner
A Word Combiner tool quickly generates all possible word combinations for creating keywords, usernames, product names, domains, and more.
Token Generator
Generate random string with the chars you want, uppercase or lowercase letters, numbers and/or symbols.
Random Birthday Generator
Free online tool to generate random birthdays by age range or birth year
Random NBA Player Generator
Free online tool to generate random NBA players filtered by team and position
Random NFL Team Generator
Generate a random NFL team with conference, division, and exclude filters, or a matchup
Image to Text
Extract text from Image
Bar Graph Maker
Create and customize bar graphs online for free. Enter your data, pick colors, switch orientation, and download your bar chart instantly.
Line Graph Maker
Create a line graph online. Enter labels and values, customize axes, download PNG or SVG
YouTube Tag Extractor
Extract YouTube video tags, title, thumbnail, and channel details from a video URL
R Code Generator
Generate R code from plain-English prompts
Lua Code Generator
Generate Lua code snippets from plain-English descriptions
Random Flag Generator
Generate random country flags
Random City Generator
Generate random city
Random Thing Generator
Generate random records from curated datasets
Nationality Generator
Generate random nationalities instantly online for free.
Splash Screen Generator
Free online tool to generate iOS and Android splash screens from a logo
Random Letter Generator
The Random Letter Generator is a free online tool that allows you to generate random letters.
First Name Generator
Generate random first names instantly online for free.
App Name Generator
Generate creative app name ideas for iOS, Android, and web projects
Random Team Generator
Free online tool to randomly split a list of names into balanced teams or groups.
Random Setting Generator
Generate random story settings and locations for writing prompts
Random Topic Generator
Generate random topics for writing, debates, and brainstorming
Corrupt File Generator
Create intentionally corrupted test files to verify error handling in uploads
Fortune Cookie Generator
Generate random fortune cookie messages for fun and placeholder content
JoJo Stand Generator
Generate random JoJo stand names and abilities for fun test data
MAC Address Generator
Generate multiple random MAC addresses online with custom settings. Select format (MAC-48, EUI-64), case, prefixes, unicast/multicast, and decode/lookup details instantly.
Random Food Generator
Free online tool to generate random foods, meals, cuisines, recipes, and ingredients
Pie Chart Maker
Create customizable pie and donut charts online and download them for free
Security & Hashing
Calculate and verify MD5, SHA, CRC32, HMAC, and other hashes, check password strength, and generate Bcrypt hashes, 2FA codes, and secure credentials online.
Password Strength Checker
Free online tool to test password strength and estimate crack time instantly and privately in your browser
2FA Code Generator
Free online 2FA / TOTP code generator. Turn your Base32 secret key into time-based one-time passwords (SHA-1/256/512, 6-8 digits, 30/60s) entirely in your browser
Bcrypt Generator
Bcrypt Generator is a free online developer tool to securely generate a strong bcrypt password hash from a string instantly
AES Decryption Online
Advanced Encryption Standard(AES) is a symmetric encryption algorithm. AES encryption is used for securing sensitive but unclassified material by U.S. The AES engine requires a plain-text and a secret key for encryption and same secret key is used again to decrypt it.
DES Calculator
This free tool allows you to encrypt and decrypt text using DES (Data Encryption Standard) algorithm.
SWIFT Code Checker
This free tool allows you to validate and analyze SWIFT/BIC codes.
IBAN Checker
Validate an IBAN's structure, length, and check digit, break it into bank, branch, and account parts, and look up the bank name and BIC using this free online tool
Basic Auth Generator
Generate an HTTP Authorization: Basic header from a username and password, Base64-encoded in your browser, using this free online tool
Hash Calculator
Free online tool create a hash of each input attribute
HMAC Generator
Free online tool to generate HMAC signatures from message and secret key
CSR Decoder
Free online tool to decode and inspect PEM-encoded Certificate Signing Requests (CSR)
CRC32 Hash Calculator
Online tool to Calculate CRC32 Hash
CRC32B Hash Calculator
Online tool to Calculate CRC32B Hash
RIPEMD128 Hash Calculator
Online tool to compute RIPEMD128 hash
RIPEMD160 Hash Calculator
Online tool to compute RIPEMD160 hash
RIPEMD256 Hash Calculator
Online tool to compute RIPEMD256 hash
RIPEMD320 Hash Calculator
Online tool to compute RIPEMD320 hash
MD2 Hash Calculator
Online tool to computes MD2 hash of text and strings
MD4 Hash Calculator
Online tool to computes MD4 hash of text and strings
ADLER32 Hash Calculator
Online tool to Calculate ADLER32 Hash
Gost Hash Calculator
Calculate and validate Gost Hash online
Whirlpool Hash Calculator
Online tool to compute Whirlpool hash
MD5 Hash Calculator
Online tool to computes MD5 hash of text and strings
MD5 Encrypt and Decrypt
Free online tool to generate and verify MD5 hashes
MD5 Reverse Lookup
Free online tool to reverse lookup short MD5 hashes or generate MD5 hashes from text
SHA1 Hash Calculator
Online tool to compute SHA1 hash
SHA256 Hash Calculator
Online tool to compute SHA256 hash
SHA384 Hash Calculator
Online tool to compute SHA384 hash
SHA512 Hash Calculator
Online tool to compute SHA512 hash
NTLM Hash Generator
Generate an NTLM hash (NT hash) from any string using MD4 over UTF-16LE
Shake 256 Hash Generator
Online tool to compute SHake 256 Hash
All Hash Generator
World's simplest online hash calculator for web developers and programmers. Just paste your text in the form below, press the Calculate Hashes button, and you'll get dozens of cryptographic hashes.
RSA Key Generator
Free online tool to generate RSA public and private key pairs for encryption and digital signatures
TOTP Generator
Free online tool to generate Time-based One-Time Passwords (TOTP) for 2FA. Supports SHA-1, SHA-256, SHA-512, custom intervals, and client-side profile management.
htpasswd Generator
Generate .htpasswd entries with bcrypt or MD5 for Apache basic auth
SSL Certificate Checker
Verify your website's SSL/TLS certificate installation, validity status, trust chain, and security parameters instantly.
Frequently Asked Questions
1. What are free online tools?
Free online tools are browser-based utilities that perform a specific task — like formatting JSON, converting files, comparing text, or generating test data — without installation, sign-up, or payment. TestMu AI (formerly LambdaTest) offers 600+ free online tools organized into 13 categories for developers, testers, and designers.
2. Are these tools really free?
Yes. Every tool on this page is completely free to use, with no sign-up, no download, and no usage limits. Just open a tool and start using it.
3. Do I need to install any software to use these tools?
No. All tools run directly in your web browser and work on any operating system — Windows, macOS, Linux, Android, or iOS.
4. Is my data safe when using these tools?
Most tools process your input directly in your browser, so your data never leaves your device. Tools that need server-side processing send your input over a secure HTTPS connection.
5. Which free online tools are most popular?
Developers and testers most often use the JSON Prettify, JSON Validator, XML Formatter, Text Compare, Random UUID Generator, Random Password Generator, QR Code Generator, Lorem Ipsum Generator, MD5 Hash Calculator, and Color Picker tools.
6. What categories of free online tools are available?
The collection covers 13 categories: AI agent tools, code formatters and minifiers, code converters, compare and diff tools, data format converters, number base converters, encoders and decoders, color and CSS tools, image and file converters, text tools, calculators and unit converters, random and test data generators, and security and hashing tools.
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