Automated Website Testing Tool
Test early, debug accurately, and release rapidly across 3000+ different browsers, browser versions, and operating systems.

LambdaTest is now
TestMu AI
Trusted by 2M+ users globally at
"We have tripled our tests and are now executing tests in less than 2 hours with 78% Faster Test Execution"
"We figured out a more efficient way to monitor system health and resolve failures earlier in lower environments."
"TestMu AI has significantly boosted our testing speed, is easy to implement, and provides exceptional support."
"With 70% faster test execution, TestMu AI helped us achieve faster time-to-market and enhanced CX."
Enhance Test Reliability with Auto-Healing
Overcome the challenges of flaky tests and unexpected failures with Auto Healing. Experience your test suite becoming more robust and reliable by automatically recovering from certain failures without manual intervention.
Start Free TestingTest Execution Speeds that are Unmatched
Run your test scripts on the fastest test execution platform online. With TestMu AI you can cut down your test execution time significantly.
Start Free TestingTest Confidently with TestMu AI SmartWait
Perform actionability checks powered by the innovative SmartWait Algorithm, ensuring precise execution and minimizing false positives. Enhance automation capabilities, streamline testing processes, and deliver exceptional software quality.
Start Free TestingOn-Premise Selenium Grid For Enterprises
Leverage the convenience of TestMu AI cloud infrastructure paired with security and performance behind your own firewall. TestMu AI's cloud-based infrastructure can scale to meet your testing needs, whether you're a startup or an enterprise.
Start Free TestingFind Out Visual UI Bugs Using Smart UI Testing.
Smart UI Comparison enables you to identify visual deviations introduced with the new build. You can easily identify visual differences between versions of an application by instantly spotting changes in icon size, padding, color, layout, text, and much more.
Start Free TestingTest Smarter And Release Faster With TAS - Test At Scale
Receive faster feedback on code changes and decrease job times with Test At Scale. TAS enables developers and engineering leaders to reduce job times by up to 95%, accelerate testing, and gain actionable visibility into their test cases.
Start Free TestingFaster Automated Screenshots Website Testing
Perform automated screenshots website testing with TestMu AI, a cloud-based cross browser testing solution enabling you to test your website across 3000+ mobile and desktop browsers by selecting the configurations.
Start Free TestingBypass Firewalls for Seamless Test Execution
Easily overcome network restrictions and ensure smooth test execution by seamlessly bypassing firewalls or proxy servers during software testing. Integrate custom headers into tests to effectively tackle network limitations while maintaining network security, enabling comprehensive testing of your software.
Start Free TestingAI-Agentic Quality Engineering
Plan, author, and evolve end-to-end tests using plain english with KaneAI.Learn More

Supports all frameworks and languages
Why TestMu AI for Automated Test Execution
Built-in DevTools
Open Chrome or Safari DevTools inside your test sessions, no workarounds needed.
Screen Resolution
Change your PC's screen resolution during testing to check how your website responds to different screen sizes.
Tunnel for local Testing
Test your local or staging environments without deploying publicly.
Network Throttling
Simulate slow or fluctuating connections to see how your site behaves under real-world conditions 3G, 4G offline and more.
Geolocation Testing
Test your website from different geoIPs to make sure your users get the perfect experience across all locations.
Debug UI on Real Devices
Debug UI on real devices to fix rendering issues, responsiveness glitches, and browser-specific bugs for accurate cross-browser testing.
2M+ Devs and QAs rely on TestMu AI
Deliver immersive digital experiences with Next-Generation Mobile Apps and Cross Browser Testing Cloud
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
More Reasons to Love TestMu AI
Gartner’s Magic Quadrant 2025
Recognized in Gartner's Magic Quadrant 2025 as a Challenger for strong customer experience.
Forrester’s Autonomous Testing Platforms Q3 2025
Featured in Forrester's Autonomous Testing Platforms Landscape, Q3 2025 for innovation in AI-driven testing.
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
2.5M+
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














