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LT Browser - Quick
Mobile Frindly Tester

Next-gen Mobile Friendly Tester for your websites or web app on 50+ Android & iOS 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 Friendly Test For Android Screens

Android Screens Mobile friendly tester for your website or webapp in both landscape and portrait mode. Check if website is mobile friendly on android devices including Google, Samsung, Oneplus smartphones.

Check Mobile View Of Your Website on Android Screens

Verify Mobile Friendliness For iOS

Check if website is mobile friendly with iPhone Screens. Use this mobile friendly checker to verify your website on the latest and legacy iPhone view ports in both Landscape and Portrait mode.

Check Mobile View Of Your website on iOS screens

Mobile Friendly Tester For Tablets

You can perform mobile friendly site test for your website or webapp across major Android and iOS tablets. Inbuilt iPads and Galaxy series tablets to check mobile friendliness of your website or webapp.

Mobile Website Test on Tablets

Mobile Friendly Checker For Custom Screens

Create custom screen sizes of your favorite mobile and tablet screen resolutions. Instantly debug mobile performance of your website or webapp for all possible mobile and tablet resolutions.

Test On Custome Mobile Resolutions
Side by Side Mobile View Of Website

Mirror View With Sync Scroll

Pace up your productivity with side by side view and debugging capability of the tool. Sync scroll lets you check the responsive behavior of your website on multiple devices in real time - All with just a click of button.

Full Page Screenshot & Video Recording

One click full page screenshot or video recording to share the visual or responsive bugs in a swift. Share your mobile friendly site test results with annotations, markings, comments and test details to your teammates instantly.

mark as a bug during mobile website test

Mark as a Bug

With countless integrations from LambdaTest it is easier then ever to mark and share bug over your favorite project management, bug tracking, or team collaboration tool. Log bugs to JIRA, Slack, Jenkins, Trello, you name it!


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 Tab To Store Your Testing History

Media is your personal storage and tracker of testing history you want to save. It has all your mobile friendly site tests with screenshots and video recordings you want to keep. It keeps annotations, markings, and test details, so you never have to.

Mobile website test locally

Debug With Inbuilt DevTools

Element Inspector and separate Debuggers for side by side screens makes it fun and easy to debug and deploy the website of webapp. Fast track the debugging of misbehaving website like never before.

One Click Lighthouse Performance Report

With the mobile friendly website tester get the performance report of your site; from parameters like SEO, Performance, and accessibility scores, benchmark your website or webapp for best performance on your favorite mobile devices.

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

Check The Website Over Various Network Speed

Be it Online, Fast 3G, Slow 3G and even Offline network condition, this mobile friendly tester have it all. Get first hand experience of performance of your website or webapp on different network conditions just like the actual users.

Hot Reloading To Get It Done Faster

See the results of your modifications as soon as you made it with Hot Reloading. Simply hit the save button and all your changes will be reloaded in this mobile firendly tester in a blink of an eye.

test mobile responsive design locally
Mobile responsive tester online

LambdaTest To Check Mobile Friendly Sites

Check mobile friendly websites with LambdaTest Responsive Test. You can select up to 56 devices at a time to check mobile friendliness of your website or webapp with just one click.

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.