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Automated Web UI Testing Online

A cloud-based grid that automates web UI testing quickly, enabling testers to run tests in parallel for a faster and more thorough analysis of their entire web or mobile application on 3000+ real browsers.

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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

Web UI Testing With MCP Server

MCP Server integrates AI into your testing workflow to detect visual changes, run RCA, and suggest fixes in real time.

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  • CheckInstantly surfaces UI issues and suggests fixes directly within your IDE or code editor
  • CheckProvides real-time, inline guidance and testing best practices as you code
  • CheckCaptures key artifacts and DOM snapshots to analyze visual changes and perform in-depth RCA

Automated Web UI Testing on Cloud with TestMu AI

Run Selenium, Cypress, and Appium automated tests on desktop and mobile devices on clou with TestMu AI the most powerful platform for Automated Web UI Testing.

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TestMu AI 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.

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Test 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.

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Test Confidently with TestMu AI SmartWait

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

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Automated Web UI Testing across 3000+ browsers

TestMu AI has a comprehensive cloud-based automated web UI testing solution for websites on 3000+ combinations of all major browsers and operating systems. Enabling you to deliver a seamless cross-compatible user experience.

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No More Flaky Tests, Ship with Confidence

TestMu AI cloud-based testing platform offers flakiness-free UI testing experience that helps you accelerate testing cycles. It gives you all the tools and resources of a robust hardware lab, but with the agility and flexibility of the cloud.

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Fastest End-to-End Test Execution Cloud

HyperExecute makes your automated web UI tests run 70% faster than conventional Grid clouds. HyperExecute scales with the growth of your application and orchestrates tests via intelligent automation while you focus on enterprise application delivery.

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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AI-Agentic Quality Engineering

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

Agent-to-Agent Testing

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

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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

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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

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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

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