To use these add-ons, you'll need to download Firefox.

Log in

10,451 extensions found in Appearance

Filter results
Search results
  • YouTube UI Fix

    YouTube UI Fix

    Automatically fix Youtube UI. Have 6 videos per row. You can see all the titles content.

    gklptrgt

    10 users

  • Trinkey-ify Youtube

    Trinkey-ify Youtube

    Adds my cat to all youtube thumbnails.

    trinkey

    10 users

  • No More Gemini

    No More Gemini

    Removes Google gemini from the search results.

    Saki Vali

    10 users

  • S1 Beautify 论坛字体图片美化

    S1 Beautify 论坛字体图片美化

    English: This open source plugin beautifies the HTML page of S1 Forum. It enlarges the texts, and also makes images looks better. 中文: S1 论坛适用，调节帖文字体、调节列表字体、规整图片大小，让页面不再杂乱无章。

    A Byte Ahead

    10 users

  • MyAnimeList Highlighter

    MyAnimeList Highlighter

    Highlights shows when accessing an artist entry on the database.

    Sekii

    10 users

  • macOS online themes for Linux

    macOS online themes for Linux

    Run a macOS online look and feel over a Linux version like PearOS, ElementaryOS & PearlOS with the free hosting OnWorks

    ApkOnline android online emulator

    10 users

  • Container Colors

    Container Colors

    Change theme colour based on your container color

    Rohit Garg

    10 users

  • Librefox Reload Button Url Bar

    Librefox Reload Button Url Bar

    Add a reload button in the url bar part of Librefox project https://github.com/intika/Librefox-Firefox

    intika

    10 users

  • Carbonation

    Carbonation

    Functionality, style, and general QoL improvements for ETI forums. Implements a blacklist, usernotes, and various shortcuts.

    Kevin Carbonara

    10 users

  • Soundcloud DX

    Soundcloud DX

    Modifies the layout of SoundCloud's website to be more attractive and user-friendly.

    brainfoam

    10 users

  • Group Tab

    Group Tab

    The new generation tab manager. Manage your tabs just like bookmarks. Archive or close a bunch of tabs in one click just like beast!

    Mmis1000

    10 users

  • DBA Magnifier

    DBA Magnifier

    Adds magnifying glass to DBA pictures on hover so details can be better seen,

    Tobias Gårdhus

    10 users

  • Pipstamp

    Pipstamp

    A little tool to easily timestamp in YouTube livestreams and videos

    Ponkhy

    10 users

  • Remove Quora Sign In Blocker

    Remove Quora Sign In Blocker

    Removes Quora Sign In blocker

    someone_by_someplace

    10 users

  • Youtube custom thumbnail resetter

    Youtube custom thumbnail resetter

    A plugin to remove custom thumbnails from youtube UI and replace them with default ones.

    Rph

    10 users

  • Alix

    Alix

    Alix allows you to lint your HTML for Accessibility issues simply by applying a stylesheet that makes use of advanced CSS selectors.

    ireaderinokun

    10 users

  • Video Thumbs for Youtube [OBSOLETE]

    Video Thumbs for Youtube [OBSOLETE]

    Allows you to have video previews on the thumbs of Youtube videos all over the site, with a whole set of customization options(starttime/loop/volume). [OBS]: This plugin may or maynot work depending on your setup due to recent changes to Youtube.

    JSG

    10 users

  • Refined ProtonCalendar

    Refined ProtonCalendar

    Implements a number of usability improvements in the ProtonCalendar web app

    Jason Ku

    10 users

  • SCP Ratings in Mainlist

    SCP Ratings in Mainlist

    For the SCP wiki(s). Shows the rating of SCP objects in their listings (SCP Series, SCP Series 2, etc).

    Oliver Robey

    10 users

  • YouTube AntiSpoiler

    YouTube AntiSpoiler

    Hide time display and progress bar for YouTube videos matching by words in title

    Alexey Kalina

    10 users

  • null

    Charles Foster Kane

    10 users

  • remove-premium-spotify

    remove-premium-spotify

    Remove the try premium button from Spotify.

    Remove Spotify Premium Button

    10 users

  • Redhole

    Redhole

    Redhole helps you track and view blackhole dates for yourself and others on the 42 network using intra.42.fr.

    0xJord4n

    10 users

  • BIBFRAMinator

    BIBFRAMinator

    BIBFRAMinator enhances the Penn Libraries' catalog by adding thumbnails and an 'Author/Creator Knowledge Card' button to catalog pages. It fetches data from Wikidata and Share-VDE to provide additional information about authors and works.

    Jim Hahn

    10 users

  • Bootleg Mage Enhancer

    Bootleg Mage Enhancer

    Enhances Bootleg Mage with TCGplayer price comparisons, bulk deck imports, and wishlist management.

    Dusks

    10 users