LT Browser:
Go-To Browser
For Developers

Next-gen browser to build, test & debug
mobile websites.

Windows 7+, OS X 10.10+ & Ubuntu 14+

By downloading and using LT Browser, I agree to the
Privacy Policy and Terms.

Best Browser For Developers

100% Accuracy is Essential - Switch to Real Device

Mobile emulators and simulators offer a glimpse, but they fall short in mimicking real-world scenarios. Don't settle for emulations/simulations; choose real device.

  • CheckNatural gestures - pinch to zoom in, 2 fingure scroll etc
  • CheckDetailed device and app/crash logs
  • CheckIntegrate with TestFlight, AppStore

  • Trepp
  • Edureka
  • Emburse
  • Noibu

Check Mobile View Of Your Website

LT Browser tests the mobile view of websites across 50+ device viewports, including pre-installed Android and iOS options, as well as custom resolutions, enhancing responsive development.

Check Mobile View

How LT Browser is Emerging as Top Browser for Developers?

Native Chromium Engine

Native Chromium Engine

Use all Chrome browser features like settings and APIs, having better OS integration, accessing latest Chrome DevTools.

Multiple Device Viewports

Multiple Device Viewports

Choose from a wide range of devices and effortlessly interact and test responsiveness across multiple device viewports.

Dedicated Chrome DevTools

Dedicated Chrome DevTools

Enhance your mobile view debugging with built-in Chrome dev tools for each device viewport, enabling faster debugging.

Multiple Recording Options

Multiple Recording Options

LT Browser lets you record the entire screen or a specific tab in tablet or mobile view and easily share it with your team.

Google Lighthouse Report

Google Lighthouse Report

Get access to concise lighthouse report for viewing your website's key performance metrics, including accessibility score and SEO.

Hot Reloading Feature

Hot Reloading Feature

LT Browser's user-friendly interface, quick documentation, and hot reloading ensure seamless code updates in device viewports.

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Seamless Collaboration
via Integrations
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120+ more
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

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

18K+

Countries

132

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 >

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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.

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Microsoft India

Microsoft India

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