Stylus
Redesign your favorite websites with Stylus, an actively developed and community driven userstyles manager. Easily install custom themes from popular online repositories, or create, edit, and manage your own personalized CSS stylesheets.
Stylus - Community-Driven Userstyles Manager Add-On for Firefox
"Stylus" is a Firefox add-on developed by the community. It is a userstyles manager that lets you change the look of your preferred websites. With Stylus, you can install custom themes, create, edit and manage personalized CSS stylesheets. Back up your entire database of installed styles and update them automatically. Stylus prioritizes user data privacy and does not collect any data.
Add-on stats
Manifest V2
By: Stylus Team
Rating: 4.65 
2 new ratings
(1,131)
Weekly download count: 2,186
Firefox on Android: Yes
Permissions:
- alarms
- contextMenus
- storage
- tabs
- unlimitedStorage
- webNavigation
- webRequest
- webRequestBlocking
- <all_urls>
Size: 1.09M
URLs: Website
Full description: See detailed description
Ranking
# 144 ▼ 1
Other platforms
Not available on Chrome
Not available on Android
Not available on Edge
User reviews
These summaries are automatically generated weekly using AI based on recent user reviews.
Firefox Browser Add-ons does not verify user reviews, so some user reviews may be inaccurate,
spammy, or outdated. Pros
Cons
- Current version is broken on Windows 10 and Android versions of Firefox.
- Latest update wiped out styles and configuration was lost.
- Extension stopped working suddenly across multiple platforms.
Most mentioned
- Extension is not functioning after the recent update.
- Issues arise particularly on Android devices.
- Users reverting to previous versions because of problems with the latest update.
User reviews
by zsyzsykk, 2025-03-12
by Hasdorg, 2025-03-08
by MATEUS BINO, 2025-03-06
Add-on safety
Risk impact
Stylus requires some sensitive permissions that could impact your browser and data security. 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
We don't have sufficient data to confidently determine the risk likelihood of Stylus. Use it at your own risk.
Risk likelihood analysis details
- High This extension was recently updated in the past month. New updates may not be stable or safe.
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