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Automation Testing Platform Online

Test your websites, web applications, or mobile apps on more than 3,000 real browsers and operating systems with TestMu AI. The most secure, agile and scalable cloud-based automation testing platform for executing Selenium, Cypress, and Appium tests with lightning speed.

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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

Pick Your Framework. We Handle the Rest.

Selenium

Selenium

Run tests across browsers in Java, Python, JS, and more.

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Playwright

Playwright

Cross-browser automation across Chromium, Firefox, and WebKit.

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Puppeteer

Puppeteer

Headless Chrome and Chromium automation via Node.js.

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Cypress

Cypress

End-to-end web app testing with real browser access.

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Appium

Appium

Automate native and hybrid apps on iOS and Android.

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Espresso

Espresso

Native Android UI tests with built-in synchronization.

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XCUITest

XCUITest

Native UI test automation for iOS and macOS apps.

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Jest

Jest

Write and run JavaScript tests with built-in mocking and coverage.

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Enhance Test Reliability with Auto-Healing

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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.

Test Execution Speeds that are Unmatched

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Run your test scripts on the fastest test execution platform online. With TestMu AI you can cut down your test execution time significantly.

Test Confidently with TestMu AI SmartWait

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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.

Bypass Firewalls for Seamless Test Execution

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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.

Test Fast and Test Often with TestMu AI

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Reduce the turnaround time by executing your test on a scalable and superfast cloud-based automation testing platform, that is built to scale as per your test requirements and help you with both shift-left and shift-right testing with ease.

Automation Testing Platform with 3000+ browsers

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With TestMu AI cloud-based automation testing platform, you get to test your website on 3000+ combinations of all major browsers and operating systems for both mobile and desktop devices ensuring a cross browser compatible experience for your websites or web apps.

No More Flaky Tests, Ship with Confidence

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TestMu AI offers a robust automation testing platform that lets you run automated tests on sturdy real devices, so you can speed up your testing cycles without worrying about flakiness. Experience all the resources of a hardware lab, but with the agility and flexibility of the cloud.

Experience A Secure Automation Testing Platform

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We hold ourselves to high standards when it comes to data security. We are SOC2 Type 2 certified, CCPA and GDPR compliant, and have enterprise-ready security measures in place.

Browser Cloud - Scalable Browser Infrastructure for AI Agents

Give your AI agents a real browser to scrape, test, and automate at scale with stealth, session persistence, and geo-targeted proxies across 180+ locations.

Explore Browser Cloud
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Seamless Collaboration
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120+ more

Success Stories of TestMu AI (Formerly LambdaTest)

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

More Reasons to Love TestMu AI (Formerly LambdaTest)

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

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

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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