
Test on macOS Browsers: Live and Automated Testing
Run your site on real macOS, including Tahoe, Sequoia, and Sonoma, across 3,000+ browser and OS combinations. Test Safari, Chrome, and Firefox live or with Selenium, Cypress, and Playwright. No Mac required.

Automate Browser Flows from your
Terminal with Kane CLI
Trusted by 3M+ 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."
How TestMu AI Tests Your macOS Browser Compatibility
Validate Safari and Chrome live, run 3,000+ browser and OS combinations, and test localhost on real macOS without a Mac.
LIVE BROWSER TESTING
Test on macOS Browsers: Live Testing
Test your site on real macOS across Tahoe, Sequoia, Sonoma, Ventura, and legacy versions, all from one cloud grid with no local setup or Mac hardware to maintain.
Start Free macOS Testing- Native Safari, Chrome, Firefox, and Opera on real macOS.
- Any browser on Tahoe, Sequoia, Sonoma, Ventura, and older.
- Debug rendering bugs live with native DevTools.
TEST AUTOMATION
Automate and Test on macOS Browsers in Parallel
Execute Selenium, Cypress, Playwright, and Puppeteer scripts on real Mac machines simultaneously. Integrate your workflows into Jenkins, GitHub Actions, and CircleCI for continuous deployment.
Start Free Automated Testing- Run suites in parallel and cut build times.
- Logs, video, and screenshots on every failed run.
- Re-run only failed tests to debug flaky cases fast.
LOCALHOST TESTING
Test on macOS Browsers: Localhost & Staging
Test internal pages securely on real Mac, even behind enterprise proxies and firewalls. TestMu AI Tunnel creates a secure link from your local machine to our cloud grid, no public URL required.
Test Localhost on macOS- Test undeployed local code in Safari and Chrome.
- Tunnel traffic is TLS-encrypted and never stored.
- Works behind firewalls, proxies, and VPNs, no setup.
3M+
developers & QA engineers
3,000+
browser and OS combinations
120+
CI/CD and tool integrations
15+
macOS versions to test on
AI-Agentic Quality Engineering
AI-native agents that plan, author, run, and analyze tests across browsers, macOS, 10,000+ real devices, and your CI pipeline.

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.
Success Stories of TestMu AI (Formerly LambdaTest)
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
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!
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Suryateja Goud
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Attended an onboarding call for KaneAI by TestMu AI.
KaneAI is the world's first end-to-end software testing agent.
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Anmol Baranwal
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I just discovered KaneAI by TestMu AI, and it's a game-changer! Let me walk you through how it's transforming my testing workflow
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More Reasons to LoveTestMu AI (formerly LambdaTest)
See how TestMu AI speeds up your testing with AI-native authoring, faster execution, and deeper test insights across web, mobile, and AI applications.
TestMu AI Named a Challenger in the 2025 Gartner® Magic Quadrant™
Read ReportTestMu AI recognized in The Forrester Wave™: Autonomous Testing Platforms, Q4 2025
Read ReportWall 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
TESTMU AI
LambdaTest is now TestMu AI
On January 12, 2026, LambdaTest evolved into TestMu AI, the same trusted testing cloud, upgraded for the AI era.
Now a full-stack agentic AI quality engineering cloud, it automates end-to-end testing across web, mobile, and AI apps. The platform is AI-native, with autonomous agents that plan, author, execute, analyze, and optimize tests.
The next era of the world's first fully Autonomous Agentic AI Quality Engineering Platform is here.
Asad Khan
Co-Founder & CEO
Frequently asked questions
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