Accessibility DevTools Chrome Extension

Powered by Axe-core - Ensure website accessibility with Accessibility DevTools Chrome extension. Easily test, manage, and report accessibility issues.

Accessibility DevTools Chrome Extension
Background

Automate Browser Flows from your Terminal with Kane CLI

Learn More
Next Chapter TestMu AI

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

Everything You Need for Accessibility Testing

TestMu Issue Discovery.Issue Discovery.

Swift Issue Discovery

Accelerate your website's accessibility consistency and compliance. Instantly identify and resolve common accessibility errors, ensuring a seamless user experience.

Add to Chrome
  • Instantly flag the most common WCAG accessibility errors.
  • Resolve issues directly in your browser, no extra setup needed.
  • Speed up consistency and compliance across every release.

TestMu Critical Concerns.Critical Concerns.

Addressing Critical Concerns

Efficiently classify and tackle vital accessibility issues using error grouping, ensuring your website meets the highest standards of accessibility and user experience.

Add to Chrome

How does triage work?

Group errors by severity
Prioritize WCAG-critical fixes
Track recurring issues
Audit-ready reporting

TestMu Health Monitoring.Health Monitoring.

Effortless Health Monitoring

Seamlessly monitor your website's accessibility and stay in control of your website's accessibility and overall health with ease, all from one centralized dashboard.

Add to Chrome
  • One centralized dashboard for accessibility health.
  • Track accessibility trends and improvements over time.
  • Surface regressions before they reach production.

Types of Accessibility DevTools Scans

Full Page Scan

Full Page Scan

Conduct full-page accessibility scans to ensure complete compliance of every element.

Partial Page Scan

Partial Page Scan

Focus your accessibility scans on specific web page elements for targeted issue identification and resolution.

Multi-Page Scan

Multi-Page Scan

Efficiently ensure website consistency with automated accessibility scans across multiple URLs simultaneously.

Workflow Scan

Workflow Scan

Advanced, continuous accessibility scanning captures dynamic interactions and page changes.

Keyboard Scan

Keyboard Scan

Identify and highlight the order of keyboard navigation elements to ensure smooth and accessible user interactions.

AI-Agentic Quality Engineering

Agent-to-Agent
KaneAI
Browser Testing
Real Device Cloud
App Automation
HyperExecute
Visual UI Testing
Accessibility Testing

Agent-to-Agent Testing

Test AI agents such as chatbots, voice assistants and more.

More about Agent-to-Agent Testing
Agent-to-Agent

Autonomous Testing

Detailed agent analysis under test, from the perspective of a synthetic end-user.

Multi-Persona Simulation

Diverse user personas like International Caller, Digital Novice and more.

Risk Scoring & Regression

End to end regression testing for agent under test with insights.

SlackSlack
GithubGithub
dot_grid
RanorexRanorex
DataDogDataDog
dot_grid
JiraJira
dot_grid
dot_grid
dot_grid
dot_grid
Seamless Collaboration
via Integrations
Explore All Integration
MondayMonday
AsanaAsana
AppcircleAppcircle
dot_grid
New RelicNew Relic
dot_grid
GitlabGitlab
ClickupClickup
dot_grid
120+ more

Dedicated Accessibility Testing on TestMu AI

Public Accessibility Cloud

Run accessibility scans on shared cloud infrastructure across browsers and devices with zero setup.

Private Accessibility Cloud

Dedicated accessibility infrastructure with reserved devices and 24/7 access for your team.

On-Premise Selenium Grid

Run accessibility scans at cloud scale while keeping your data behind your firewall, secure and compliant.

Public Accessibility Cloud
...

TestMu AI (Formerly LambdaTest) Success Stories

Dashlane

50%

reduction in test execution time

“HyperExecute is a highly reliable test execution platform and has excellent customer support.”

Sagar Uday Kumar

Sr. Engineering Manager

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

handle
View all reviews

More Reasons to Love TestMu AI (Formerly LambdaTest)

TestMu AI Named a Challenger in the 2025 Gartner® Magic Quadrant™

Read Report

TestMu AI recognized in The Forrester Wave™: Autonomous Testing Platforms, Q4 2025

Read Report

Wall of Fame

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

Enterprise-Grade Security

We safeguard your data and AI systems with global security, privacy, responsible AI, and ESG standards.

Integrations

Works where you work, 120+ integrations with the tools your team relies on.

Users

3M+

Tests

1.5B+

Enterprises

18K+

Countries

132

As Seen On

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
  • Premium Support options
  • Early access to beta features
  • Private Slack Channel
  • Unlimited Manual Accessibility DevTools Tests