KaneAI - World’s First E2E Software Testing Agent.Signup for Private Beta 
Website Responsive Checker for MC3300 | LT Browser
Build, test & debug mobile websites
MC3300 Website Responsive Checker
- MC3300 viewport testing on local machine
- Check responsive behavior on MC3300
- Side by side comparison of MC3300 viewport
Test With Real MC3300 on Cloud
- MC3300 with OS and browser of your choice
- Geolocation Testing anytime anywhere
- Automated web testing with appium grid
Device 1
- 1
iPhone 12 Pro
- 1
iPad Pro
Device 2
- 2
Google Pixel
- 2
1024X768
iphone 12 pro(1170x2532)
Ipad pro(2048 x 2732)
Google Pixel (1080 x 1920)
Desktop 1024 x 768
Why my website refused to connect? : Your website may not be supporting iframe. Don't worry LT Browser has it covered. Download and install LT Browser to enjoy un-interrupted responsive testing for FREE!!
You are about to download LT Browser for Linux
×64-bit version for Debian/Ubuntu
64-bit version for Fedora/openSUSE
By downloading and using LT Browser, I agree to the Privacy Policy and Terms.
Boost your Productivity & Quality of Work with
Custom Device Resolutions
Create and save your own custom device viewports. Create mobile, tablet, and desktop screens to test websites on them.
Side by Side Mobile View
No need to switch between two viewports. Compare MC3300 with any screen size simultaneously with sync scroll.
In-built DevTools
Use In-built DevTools to debug on MC3300 screen. Get separate DevTools for side by side view ports.
Google Lighthouse Report
Once click sharable google lighthouse report for MC3300 viewport. Analyse key performance metrics and improve on them.
One-Click Bug Logging
Mark a bug and share it on Jira, Trello, Asana, Slack and more. Share the bugs with a summary to solve it faster than ever.
Network Throttling
In-built network simulation to test websites on MC3300 screen with slow 3G to 5G network configurations.
Trusted By 2 Million+ Developers & QA Teams
List of Responsive Checkers
Android
iOS
- Samsung
- One Plus
- Xiaomi
- Realme
- Huawei
- Sony
- Motorola
- LG
- HTC
- Oppo
- Gionee
- Amazon
- Vivo
- Zebra
- iPhone
- iPad
FAQs
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
Reviews
Satwick
@satiwick1
This is so cool! Great tool from It's a must have to dev and marketing tech teams. LT Browser: Next-gen browser to build, test & debug mobile websites via
Frédéric DEBAILLEUL
@fdebailleul
LTbrowser : Navigateur pour développeur mobile.
You are about to download LT Browser for Linux
×64-bit version for Debian/Ubuntu
64-bit version for Fedora/openSUSE
By downloading and using LT Browser, I agree to the Privacy Policy and Terms.