Stylish - Custom themes for any website

Stylish lets you customize any website with custom user styles (themes for websites). Choose from the largest userstyles library to change the color scheme, background, and skin for Google, Facebook, YouTube and many, many more sites.

Stylish - Personalize your Web Experience with Custom Themes

Stylish - Custom themes for any website is a Firefox add-on that enhances your browsing experience by allowing you to customize the look of any website. Whether it's enabling dark mode on Reddit, creating minimalist themes for Facebook, or changing Google's general look, Stylish has you covered. It offers easy tools to disable, edit, or delete installed themes or even create your own with its CSS editor. Stylish has themes for websites and web apps across the globe and allows you to become a creator of Youtube skins or Facebook themes if you know CSS.
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View on Firefox Browser Add-ons

Add-on stats

Manifest V2
Daily users: 30,162
-44
Rating: 2.78
(959)
1 ratings
Version: 3.1.9resigned1 (Last updated: 2024-04-25)
Version code: 5725927
Creation date: 2006-02-20
Weekly download count: 354
Firefox on Android: Yes
Permissions:
  • tabs
  • webNavigation
  • webRequest
  • contextMenus
  • storage
  • *://*/*
Size: 1.98M
Full description: See detailed description

Ranking

# 425
Other rankings
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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
    • Extension not functioning properly or is completely non-functional.
    • Accusations of being spyware and tracking user data.
    • Homepage userstyles.org inaccessible in the Firefox browser.
    • Users reported a lack of features such as importing and editing styles.
    • Curated styles and user experience have decreased significantly. It was previously a well-regarded tool for customizing web pages.
    Most mentioned
    • Extension is not working or dead.
    • Concerns regarding user privacy and data theft.
    • Users recommend the alternative extension 'Stylus'.
    User reviews
    by 敬念法轮大法好远离疫情, 2025-02-17
    by James Zersche, 2025-02-16
    Ne fonctionne pas du tout et en plus quand on accède au site de l'extension le message bad gateway 502 s'affiche.
    by BlueSnow, 2025-02-16
    View all user reviews

    Add-on safety

    Risk impact

    Stylish - Custom themes for any website requires a lot of 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.
    • Critical ****** ****** ** *** ********* ****** * *********** ******** **** ** ** *** ******* *** ****** **** **** *** ******* *****
    • Critical ******* ****** ** *** ********* ******** *************** *********** ********** ********** ******* ******* ******* ********** ****** ******* ********** ********** ******* ********** ********** ******* ********** ********** ********** ******* ********** ********** ******* ******* ******* ********** ****** ******* ********** ******* ********** ******* ********** ********** ********** *********** ********** ********** ********** ****** ********** ********** ********** ***** ******* ****** ******* ********** ******* ********** ********** ********** ********** ********** ******* ********** ******* ********** ******* ********** ******* ********** ******* ********** ********** ********** ********** ********** ********** ********** ******* ******* ********** ********** ********** ********** ******* ********** ******* ********** ********** ********** ********** ****** ********** ********** ****** ********** ****** ********** ********** ********** ********** ******* ********** ****** ****** ********** ********** ****** ******* ********** ********** ******* ******* ********** ********** ****** ********** ********** ********** ******* ****** ********** ********** ********** ********** ********** ********** ********** ******* ********** ********** ********** ******* ******* ****** ******* ********** ******* ******* ******* ********** ********** ******* ********** ********** ****** ******* ******* ******* ******* ******* ********** ********** ******* ********** ********** ******* ******* ********** ********** ********** ********** ******* ******* ********** ********** ******* ********** ********** ********** ******* ********** ********** ********** ********** ******* ********** ********** ****** ******* ********** ********** ********** ********** ******* ******* ********** ******* ****** ******* ********** ****** ********** ****** ********** ******* ****** ******* ****** ********** ****** ******* ********** ********** ********** ****** ****** *****
    • High ****** ********* ** * ****** ******** ******** ********** * ******* ******* *****
    • High ******* ******* **** *** ****** ***** *** ***** ** ******* **** ********* ********* ** * *********** *****
    Risk likelihood

    We don't have sufficient data to confidently determine the risk likelihood of Stylish - Custom themes for any website. Use it at your own risk.

    Risk likelihood analysis details
    • High This extension has low user count. Unpopular extensions may not be stable or safe.
    • Medium **** ********* *** *** **** *******
    • Low **** ********* *** ******* **** **** * ****** **** ***** ******** *** **** ****** ** ** ****** *** *****
    • Low **** ********* *** ***** **** **** * ****** **** ***** ********** *** **** ****** ** ** ****** *** *****
    Upgrade to see full risk analysis details