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LT Browser - Easy
Screen Resolution Test

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

LT Browser - Finance onine rising sofware Product Hunt LT Browser - responsive design checker with great user experience LT Browser Mobile Friendly Design Checker with Happiest Users LT Browser - An Awarded responsive design checker tool LT Browser - A Recognized Trusted Vendor 2020

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.

Check Mobile View Of Your Tablets

Test Website on Tablet Screen Sizes

Validate responsive web design and check how your website or web application looks on iPads and Galaxy tablet on landscape and portrait mode with this responsive testing software.

Check Mobile View Of Your Tablets

Web Page Resolution Test for Laptop Screens

This is a handy responsive testing software to view website on scores of laptop screen resolutions. You can also add custom screen resolutions to address specific responsive testing needs.

Test On Different Laptop Devices

Test and Debug Desktop Resolutions

Check how your website or web application renders on different desktop resolutions and viewports with the this responsive testing software. Add custom desktop resolutions as per your test requirements.

Test On Different Desktop Devices
Create your own Custom Devices With LT Browser

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.

Side by Side Mobile View Of Website

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!

Mark as a Bug

Log bugs of your screen resolution test directly on your favorite bug tracking or team collaboration tool. With a single click, test information with bug anotations can be shared on JIRA, Slack, Jenkins and may more.

mark as a bug during mobile website test

Why Responsive Website is Important?

Check Mobile View Of Your Website

Walmart found that for every 1 second improvement in page load time, conversions increased by 2%.
Crazy Egg

Check Mobile View Of Your Website

The first organic listing on mobile receives 27.7% of clicks, versus 19.3% of clicks on desktop

Check Mobile View Of Your Website

Every dollar spent on UX improvement returns anywhere between $2 and $100. Improving the UX should be your top priority as it is linked to several critical metrics (bounce rate, churn rate, conversions, engagement, etc)

Check Mobile View Of Your Website

79% of smartphone users have made a purchase online using their mobile device in the last 6 months in 2020.

Check Mobile View Of Your Website

51% of smartphone users have found a new company or product when searching on mobile.

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.

Mobile website test locally

DevTools to Debug Resolution Anomalies

It is easier than ever to debug resolution problems of website using inbuilt DevTools. It comes with easy element inspector and dual debuggers for side by side screens to help you get pixel perfect website.

Get Your Lighthouse Performance Report

View and optimize desktop and mobile scores for your website or web app using google Lighthouse performance matrices. Benchmark your website or web app on infinite resolution combinations for performance, SEO, and accessibility scores.

Improve Website Performance With Lighthouse Reports
Test Local Website Without Any Extension Or Tunnel

Test On Different Network Conditions

Check the behaviour of your website or web app on different network conditions. Web page resolution test with network throttling helps you improve user experience and minimize the churn rate.

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.

test mobile responsive design locally
Mobile responsive tester online

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

Develop Mobile Responsive Web Apps

Design and develop responsive web apps twice as fast.

Integrated Debugging Tools

Debug your website or web applications on the go.


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


Our paid plans start at only $15/month.

See Plans & Pricing Sign Up
Perform Mobile Website Test on cloud

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 [email protected] and we'll get back to you in no time.