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Perform Testing In Your Local Environments

Perform local testing of your locally hosted website or web application across 3000+ browsers and device combinations.

Perform Testing In Your Local Environments
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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

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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Browser Testing

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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Accelerate Testing with Testmu AI Underpass Tunnel

Instant Tunnel Activation

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

Multiple Tunnel Management

With our enhanced infrastructure, users can effortlessly manage multiple tunnels simultaneously, ensuring uninterrupted testing across various environments.

Advanced Configurations

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

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

Revamped User Interface

The revamped Testmu AI UnderPass Tunnel features a refreshed, intuitive design, delivering smoother navigation and more efficient tunneling operations.

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Login-flexibility

Experience seamless, secure access with UnderPass Tunnel's expanded authentication options. Integrate with Google, GitHub, and SSO for added convenience.

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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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Kane AI
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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 TestingArrowArrow

AI Agent Testing
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Trusted by Top Support Teams Worldwide

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

Users

2M+

Tests

1.2B+

Enterprises

10K+

Countries

132

Recognized in Gartner's Magic Quadrant 2025 as a Challenger for strong customer experience.

Gartner's Magic Quadrant 2025

Featured in Forrester's Autonomous Testing Platforms Landscape, Q3 2025 for innovation in AI-driven testing.

Forrester's Autonomous Testing Platforms

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.

Enterprise-Grade Security, Privacy, AI Governance & ESG

Wall of Fame

TestMu AI is #1 choice for SMBs and Enterprises across the globe.

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As Seen On

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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Frequently asked questions

TestMu AI forEnterprise

Get access to solutions built on Enterprise
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  • Advanced access controls
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  • Advanced Local Testing
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  • Early access to beta features
  • Private Slack Channel
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