Perform Testing In Your Local Environments
Perform local testing of your locally hosted website or web application across 3000+ browsers and device combinations.
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."
Testing Locally Hosted Pages With Testmu AI Tunnel
Perform local testing behind proxies and firewalls for browser compatibility. Use our SSH gateway to securely test HTML, CSS, PHP, Python, and other files.
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Local Testing Made Secure With UnderPass
Leverage Testmu AI Underpass, a secure desktop app, to test local or private websites across 3000+ browsers without terminal commands. Establish an SSH Tunnel using the Underpass GUI.
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Instant Tunnel Activation
Skip the CLI tunnel setup. With UnderPass, establish secure tunnels for local testing with a single click on Testmu AI's AI-native cloud.
Multiple Tunnel Management
With our enhanced infrastructure, users can effortlessly manage multiple tunnels simultaneously, ensuring uninterrupted testing across various environments.
Advanced Configurations
Unlock advanced tunneling with our system, offering tailored configurations for both basic and complex needs. Enjoy a flexible, optimized testing environment.
Streamlined Log Sharing
Enhance debugging efficiency with UnderPass's new log copying feature. Quickly share and analyze logs, boosting collaboration and speeding up issue resolution.
Revamped User Interface
The revamped Testmu AI UnderPass Tunnel features a refreshed, intuitive design, delivering smoother navigation and more efficient tunneling operations.
Login-flexibility
Experience seamless, secure access with UnderPass Tunnel's expanded authentication options. Integrate with Google, GitHub, and SSO for added convenience.
Integrate With Testmu AI Tunnel via npm Plugin
Use the npm plugin to test local or private websites. Install it with the command npm i @lambdatest/node-tunnel, Once installed, easily connect using your command line.
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GitHub Actions With Testmu AI Tunnel For Local Testing
Utilize GitHub actions for Testmu AI Tunnel to streamline testing of locally hosted web pages. Upon triggering, it automatically sets up the binary and executes Selenium tests through the Testmu AI Tunnel.
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Local Environment Testing For Browser Compatibility
Seamlessly test local files across Windows, Android, and iOS browsers using Testmu AI’s platform for fast local browser testing, ensuring high-quality builds in your local settings.
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Local Environment Automation Testing
Run automation scripts for local testing on various Android and iOS devices and browsers using Testmu AI's emulators, simulators, and real devices, accelerating your market launch.
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Tutorial on TestMu AI UnderPass Tunnel
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
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
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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
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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!
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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.
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Microsoft India
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