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Responsive Test Online On Tablets

Perform website responsive test online across 50+ device viewports

Responsive Test Online On Tablets
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Next Chapter TestMu AI

LambdaTest is now TestMu AI

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Trusted by 2M+ users globally at

Microsoft
OpenAI
Nvidia
Boomi

"We have tripled our tests and are now executing tests in less than 2 hours with 78% Faster Test Execution"

Hrishi Potdar , Quality Engineering Architect

Boomi
GitHub
Best Egg

"We figured out a more efficient way to monitor system health and resolve failures earlier in lower environments."

Tenny , Engineering Operations Lead

Best Egg
Workday
Akamai
Louis Vuitton
NBCUniversal
City Furniture

"TestMu AI has significantly boosted our testing speed, is easy to implement, and provides exceptional support."

Nicholas Paulsen , Senior Quality Engineer

City Furniture
Cox
Transavia

"With 70% faster test execution, TestMu AI helped us achieve faster time-to-market and enhanced CX."

Daniel de Bruijn , Quality Assurance Automation Engineer

Transavia
Estée Lauder
TripAdvisor
Bohoo

100% Accuracy is Essential - Switch to Real Device

Mobile emulators and simulators offer a glimpse, but they fall short in mimicking real-world scenarios. Don't settle for emulations/simulations; choose real device.

  • Natural gestures - pinch to zoom in, 2 fingure scroll etc
  • Detailed device and app/crash logs
  • Integrate with TestFlight, AppStore

Try Real Devices for freeArrowArrow
100% Accuracy is Essential - Switch to Real Device
...

Perform Responsive Test Online Using LT Browser

Native Chromium Engine

Native Chromium Engine

Use all Chrome browser features like settings and APIs, having better OS integration, accessing latest Chrome DevTools.

Multiple Device Viewports

Multiple Device Viewports

Choose from a wide range of devices and effortlessly interact and test responsiveness across multiple device viewports.

Dedicated Chrome DevTools

Dedicated Chrome DevTools

Enhance your mobile view debugging with built-in Chrome dev tools for each device viewport, enabling faster debugging.

Multiple Recording Options

Multiple Recording Options

LT Browser lets you record the entire screen or a specific tab in tablet or mobile view and easily share it with your team.

Google Lighthouse Report

Google Lighthouse Report

Get access to concise lighthouse report for viewing your website's key performance metrics, including accessibility score and SEO.

Hot Reloading Feature

Hot Reloading Feature

LT Browser's user-friendly interface, quick documentation, and hot reloading ensure seamless code updates in device viewports.

Network Throttling

Network Throttling

Ensure seamless user experience by checking your mobile view website's responsiveness on various network profiles.

Multiple Bug Reports

Multiple Bug Reports

Create and share responsive bug reports seamlessly across preferred project management or messaging tools.

Test History

Test History

Developers using LT Browser access their test history for informed decisions and clear site cookies via Chrome settings.

AI-Agentic Quality Engineering

Test AI agents such as chatbots and voice assistants to ensure efficiency, relevancy, and performance.More about AI Agent TestingArrowArrow

AI Agent Testing

More Reasons to Love TestMu AI

Users

2M+

Tests

1.2B+

Enterprises

10K+

Countries

132

Recognized in Gartner's Magic Quadrant 2025 as a Challenger for strong customer experience.

Gartner's Magic Quadrant 2025

Featured in Forrester's Autonomous Testing Platforms Landscape, Q3 2025 for innovation in AI-driven testing.

Forrester's Autonomous Testing Platforms

Enterprise-Grade Security, Privacy, AI Governance & ESG

We protect your data and AI systems with global security, privacy, responsible AI, and ESG standards, backed by certifications.

Enterprise-Grade Security, Privacy, AI Governance & ESG

Wall of Fame

TestMu AI is #1 choice for SMBs and Enterprises across the globe.

Wall of Fame

As Seen On

Some love from our customers!

As Best Egg expanded its product offerings and entered new markets, we knew our old testing infrastructure couldn’t keep up.
With support from Tenny Agustin, our Engineering Operations Lead, we modernized our approach with @testmuai see more >

TestMu AI

Best Egg

Best Egg

best-egg

handle

Excited to Share My Learning Journey with Kane AI & Lambda Tool!
I'm pleased to announce that I've recently gained hands-on experience exploring Kane AI through the Lambda Tool and it’s been a fantastic journey of upskilling!see more >

KaneAI

Suryateja Goud

Suryateja Goud

suryateja-goud

handle
microsoft

See how @testmuai is #Futureready to enable blazing-fast test orchestration seamlessly integrated with organizations' existing CI/CD platforms, using #Microsoft Azure.

TestMu AI

Microsoft India

Microsoft India

MicrosoftIndia

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Frequently asked questions

TestMu AI forEnterprise

Get access to solutions built on Enterprise
grade security, privacy, & compliance

  • Advanced access controls
  • Advanced data retention rules
  • Advanced Local Testing
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  • Early access to beta features
  • Private Slack Channel
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