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Test on Remote Browsers
Access 3000+ remote browsers and devices instantly for seamless testing. Eliminate the need for a physical lab of PCs and devices by switching to remote browser testing.
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."
Browser Testing Across 3000+ Environments
We offer live-interactive testing on 3000+ remote browser environments. This enables you to check your websites across windows and macOS operating systems, web browsers, browser versions, and resolutions in real-time.
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Integrated Native Developer Tools For Debugging
Be it Safari, Chrome, Firefox, Yandex and even any mobile browsers, every remote browser on LambdaTest comes with native developer tools to assist you debug without installing anything in your system.
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Automated Screenshots on Online Browsers
With LambdaTest automated screenshots feature, you can perform visual Remote Browser testing across 3000+ environments by just selecting the configurations.
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Live Responsive Testing Online
With LT Browser, you can perform responsive testing of your website across 50+ built-in viewport. You can create infinite new viewports and build test and debug a responsive website with this FREE to use tool.
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Packed with Next-Gen AI Features!
24/7 Support
Get access to industry leading 24/7 dedicated support
Local Host
Perform faster local testing with UnderPass app, built for secure tunnels
120+ Integrations
Fits seamlessly into your testing stack with out-of-the box integrations
Native DevTools
Use native DevTools to debug and optimize your apps effortlessly
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
Experience the Power of Unified Testing Cloud
Seamless Collaboration
via Integration
Connect to dozens of applications to test directly with TestMu AI.
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Trusted by Top Support Teams Worldwide
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
Users
2M+
Tests
1.2B+
Enterprises
10K+
Countries
132
Recognized in Gartner's Magic Quadrant 2025 as a Challenger for strong customer experience.
Featured in Forrester's Autonomous Testing Platforms Landscape, Q3 2025 for innovation in AI-driven testing.
Enterprise-Grade Security, Privacy, AI Governance & ESG
We protect your data and AI systems with global security, privacy, responsible AI, and ESG standards, backed by certifications.
Wall of Fame
TestMu AI is #1 choice for SMBs and Enterprises across the globe.
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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
TestMu AI
Best Egg
best-egg
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!
KaneAI
Suryateja Goud
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See how is #Futureready to enable blazing-fast test orchestration seamlessly integrated with organizations' existing CI/CD platforms, using #Microsoft Azure.
TestMu AI
Microsoft India
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