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LT Browser:
Go-To Browser
For Developers

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

Download LT Browser

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

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

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.

Download LT Browser

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.

Natural gestures - pinch to zoom in, 2 fingure scroll etc
Detailed device and app/crash logs
Integrate with TestFlight, AppStore

How LT Browser is Emerging as Top Browser for Developers?

Native Chromium Engine

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

Multiple Device Viewports

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

Dedicated Chrome DevTools

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

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

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

Hot Reloading Feature

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

Network Throttling

Ensure seamless user experience by checking your mobile view website's responsiveness on various network profiles.

Multiple Bug Reports

Create and share responsive bug reports seamlessly across preferred project management or messaging tools.

Test History

Developers using LT Browser access their test history for informed decisions and clear site cookies via Chrome settings.

Download LT Browser

Why Customers Loves LambdaTest

Mbaziira Ronald

Awesome job you did there with the LT Browser. It's doing a fantastic job at responsive testing 🔥. ...

Sanjay Kumar

LT Browser what an amazing product by LT browser is the Next-gen browser to build, test & debug mobile websites. ...

Adarsh Gupta

Can it be any more better? Recently announced their all-in-one browser for web developers. It's the only responsive testing tool that you ever need🤖. Detailed thread🧵.,

Anandamoy Roychowdhary

exciting product launch from the good folks at now no excuses for non-responsive mobile sites ( you know who you are :P)

Tahera

I am just amazed after using this tool called LT browser . My screen is 14 inches and I wanted an ss covering more width. I just took the ss in a 15-inch mac with LT Browser. Damn this is so cool and handy! (PS: not a sponsored tweet).

Saravanan Seenivasan

Need to test your app on multiple devices ?
Here is LT Browser from LambdaTest....

Wall of fame

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

Frequently Asked Questions

Which is the best browser for developers?

LT Browser is the best browser choice for the developers. Based on the native Chromium rendering engine (Blink), developers can now install Chrome extensions, APIs, have better OS integration and more. Along with this, LT Browser has loads of features to help developers take their testing to the next level such as multiple dev tools for each device, option to clear cookies from settings, unlimited tab options, view test history, clear and intuitive UI and more.

What is responsive testing?

Responsive testing is testing of the UI/UX of a website on different viewports. Mobile, Tablets and PCs of different brands and OS have different resolutions, shapes and sizes. A responsive website or web app adapts to all those shapes, sizes and resolutions to give the best user experience.

Why is responsive testing important?

Testing responsiveness of the website ensures the best user experience, SEO performance and Least possible bounce rate.

How to test responsiveness of my website/webapp?

You can use LT Browser for responsive testing. It will help you check your website on 50+ viewports across Mobiles, Tablets and PCs of all Major OS. In Fact you can create your own custom viewports, and debug your website on those viewports.

What are the popular devices I should check for responsiveness?

It depends on the devices used by your website visitors. Broadly we can consider as follows
Mobile- Iphones, Samsung Galaxy series, OnePlus phones of past 2 to 3 years.
Tablets- Ipads and Samsung Tablets launched in past 3 to 4 years
PCs- Laptops from Lenovo, Dell, Apple for past 5 years

What does a fully responsive website mean?

A fully responsive website will reshape and resize itself to preserve the best user experience and look and feel across all devices without any need of Scrolling, Zooming and Resizing.

How to measure the success of the responsiveness test for my website?

Once the website renders as it is required to render across all the view ports, and if the user is getting best user experience we can consider it a successful responsive test.

What is the difference between responsive and adaptive design?

Responsive website is fluidic enough to adapt to any shape or size of the viewing device. Adaptive website first detect a predefined resolution and shows pre decided static elements of the website. Fun Fact: Google ranks mobile friendly websites higher compared to any other form of website.

How to check if a site is responsive?

For testing the responsiveness of a locally hosted website, use the Toggle device toolbar option available in the developer tools of the browser. To do this, press F12 to start developer tools in Chrome and Firefox and select the Toggle device toolbar from the menu.

What is responsive testing in mobile?

Mobile Responsive Testing is a process that ensures that your website or an app is working appropriately on all types of devices. Whether it's an app or website, they must ensure they are accessible from any device, anytime and anywhere.