Breakpoint Tester

Easily switch between multiple breakpoints to test a sites responsiveness at various screen sizes.

What is Breakpoint Tester?

Breakpoint Tester is a Chrome extension that allows you to quickly and easily test the responsiveness of a website at various breakpoints. It comes with preset breakpoints or you can use your own. It is open source and welcomes contributions. Feedback is encouraged.

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Stats

This extension was removed from Chrome Web Store on 2023-02-03

By: Jeffrey Hyer

Users: 5,504+

Rating: 3.68 (22)

Version: 1.0.4 (Last updated: 2014-04-18)

Creation date: 2014-04-18

Risk impact: Low risk impact

Risk likelihood: High risk likelihood

Manifest version: 2

Permissions:

storage
contextMenus
system
system.cpu
system.memory
system.storage

Size: 169.98K

URLs: Website

Stats date:

Other platforms

Not available on Firefox

Not available on Edge

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Summary

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Breakpoint Tester is used to quickly and easily test the responsiveness of a website at various breakpoints. Breakpoint Tester ships with some sensible defaults to get you started off right but you're more than welcome to use your own custom breakpoints.

Breakpoint Tester uses the default media queries that ship with Bootstrap 3 as a baseline for it's breakpoint presets which are:

480px (Mobile) 768px (Tablet) 992px (Laptop) 1200px (Desktop)

Breakpoint Tester is open source and licensed under the MIT license. You are more than welcome to contribute to development, the project can be found on GitHub: https://github.com/JeffreyHyer/BreakpointTester

If you run into any issues or would like to request a new feature please do so either via the "Send Feedback" link in the Chrome Webstore or by opening a new GitHub issue. Feedback is both welcome and encouraged!