Display and set your browser width. Excellent for responsive web design and testing media queries. Includes keyboard shortcuts!

Fire Resizer - Resize browser window and test media queries
Fire Resizer is a Firefox add-on that enables users to resize their browser window and conveniently test media queries. With keyboard shortcuts and customizable presets, this tool is perfect for responsive web design and development.
Add-on stats
Manifest V2
Rating: 4.29
(7)
Firefox on Android: No
Permissions:
- storage
- tabs
Size: 122.60K
Email: ul*****@mediamaster.eu
URLs: Website
Full description: See detailed description
Source: Firefox Browser Add-ons
User reviews
by 天灭中共退党团队保平安, 2025-03-11
Need to edit and change order of presets, also edit shortcuts. Otherwise it's a good tool.
by Kostia, 2023-09-17
Add-on safety
Risk impact
Fire Resizer requires a few sensitive permissions. Exercise caution before installing.
Risk impact analysis details
- Critical Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
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Risk likelihood
Fire Resizer has earned a fairly good reputation and likely can be trusted.
Risk likelihood analysis details
- High This extension has low user count. Unpopular extensions may not be stable or safe.
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- Low **** ********* *** ***** **** **** * ****** **** ***** ********** *** **** ****** ** ** ****** *** *****
- Good **** ********* *** **** **** *******
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