LT Browser - Easy Screen Resolution Test

Browser to Test Website on All Screen Resolution. Test on Mobile, Tablet, PC & Custom Screens.

PlayWatch in Action
LT Browser Image
  • Ltbrowser moblie testing
  • Ltbrowser Tablet testing
  • Ltbrowser Laptop testing
  • Ltbrowser Desktop testing

Mobile Screen Resolution Testing

Test your website or web app on different pre-installed mobile screen resolutions with the help of LT Browser. Test and debug on a variety of Android and iOS mobile device resolutions in a snap.
Mobile Screen Resolution Testing
Add Custom Device Resolutions

Add Custom Device Resolutions

Create your own custom device viewport to test website in desired screen sizes. Instant web page resolution test of your website on custom screens of mobile, tablet, laptop and desktop devices.

Mirror View With Sync Scroll

Double your productivity using mirrored view with sync scroll. Debug User Interface of your website on two screen resolutions. Keep check on style and responsive markups by testing website in different screen sizes simultaneously.
Mirror View With Sync Scroll

Full Page Screenshot & Video Recording

It is simple to capture, annotate, verify, and share full page screenshots and video recordings of your web application or website. Web page resolution testing on 50+ view port resolutions — all in one click!

Need to Test Your App on Multiple Devices?

Upload your app, and run Mobile App Tests with LambdaTest Emulators & Simulators. Find bugs earlier by testing your application across a plethora of Android and iOS devices.
Start Testing
Mark As A Bug
Mark As A Bug

Mark As A Bug

Instantly mark bugs to your favorite bug tracking, project management or team collaboration tool while checking the mobile view of website. Log bugs to JIRA, Slack, Jenkins and many more integrations.

Why Responsive Website is Important?

  • Performance
  • SEO
  • Accessibility
  • Conversion
  • Brand Visibility
Walmart found that for every 1 second improvement in page load time, conversions increased by 2%.
Crazy Egg

Media, Your Test Archives

Media tab is your quick and easy place to save your screen resolution test screenshots and video recordings. It keeps time, date, device, resolutions, annotations, everything you need at one place.
Inbuilt DevTools Website

DevTools to Debug Resolution Anomalies

It is easier than ever to debug misbehaving websites using inbuilt DevTools for testing device resolution. DevTools comes with easy element inspector and seperate debugger for side by side screens. It helps you pace up the debgging process.

Get Your Lighthouse Performance Report

Get a detailed account of the usability of your site; from performance to SEO, and accessibility scores. All this in a single click! Benchmark your website or webapp on key performance metrics on google lighthouse.
Get Your Lighthouse Performance Report
Different Network Conditions

Test On Different Network Conditions

The network throttling helps you test your website on Online, Fast 3G, Slow 3G and even Offline network conditions. You can check mobile view of website and its reflection on different network conditions to the actual users.

Faster Debugging With Hot Reloading

Check your code edits in real time with the help of Hot Reloading. Simply hit the save button and all your code changes will be reflated immediately on all your faviourite resolution.
Faster Debugging With Hot Reloading
Web Page Resolution Test On LambdaTest

Web Page Resolution Test On LambdaTest

LambdaTest can help test website in different screen sizes using it's Responsive Testing feature. You can select up to 56 resolutions at a time for one click screen sresolution testing
Try It For Free

Boost your Productivity and Quality of Work with LT Browser

Integrated developer Selenium Testing Tool with 24x7 support

Design and develop responsive web apps twice as fast.
automation tool with Third-Party Integrations

Debug your web applications on the go with LT Browser.
automation testing tool guide

Mark bugs, annotate them and share it with your team.


Our paid plans start at only $15/month.

See Plans & PricingSign Up
24/7 Support Chatbox

24/7 Support From Our Tech Experts

Our tech experts are available on our support 24*7 to help you in case of problems. You can get in touch with us by filling up the contact form, messaging in-app, or through call. You can also write to us at and we'll get back to you in no time.
Give us a Shout