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

Log in

13,203 extensions found in Appearance

Filter results
Search results
  • Hyperdia modern & responsive design

    Hyperdia modern & responsive design

    Modernize Hyperdia English website design.

    Gil Goldshlager

    1 user

  • Funimation Spoiler Blocker

    Funimation Spoiler Blocker

    Cover up any spoilers before the video plays on Funimation.com

    base

    1 user

  • Eurocontrol NES

    Eurocontrol NES

    Eurocontrol NES

    EUROCONTROL NM OSM MW LSE team

    1 user

  • Habitica Floating Sprites

    Habitica Floating Sprites

    Make sprites float in Habitica!

    NathanU

    1 user

  • Prettier Zulip

    Prettier Zulip

    Zulip, but prettier.

    Walking Daemon

    1 user

  • Logo Switcher

    Logo Switcher

    Switch logo of the bird-logo site's logo to the original.

    초무

    1 user

  • Base64 decoder

    Base64 decoder

    Decode Base64 encoded string using URL bar

    Michael Staal-Olsen

    1 user

  • Tasklist

    Tasklist

    A sample extension showing the usage of developing a extension supporting both mv2 and mv3 manifest versions.

    Siddharth

    1 user

  • ResizeFFWidth

    ResizeFFWidth

    Resize Firefox window width.

    Sungho Hwang

    1 user

  • GWars.Ru: extension tools

    GWars.Ru: extension tools

    Дополнение расширяет интерфейс игры GWars.Ru для более комфортной игры.

    Cirno1337

    1 user

  • RoosterColor

    RoosterColor

    A browser extension that enables custom colors for courses on rooster.rug.nl

    Tijn Edens

    1 user

  • Zap Off for Gmail

    Zap Off for Gmail

    A minimal extension which replaces the Compose and Send buttons with Zap Off and Zap buttons respectively.

    Farmer Dan

    1 user

  • Редактор Сетевого Города

    Редактор Сетевого Города

    Редактор Сетевого Города - расширение, которое позволяет вам кастомизировать (изменить) вебсайт Сетевой Город - локально, для себя. Пользователь сам несет ответственность за использование данного расширения.

    TALENT

    1 user

  • Leetcode relative line number

    Leetcode relative line number

    Change line numbers on leetcode editor to the line number that's relative to the current active line

    Varshard

    1 user

  • Tab Timer i

    Tab Timer i

    Reminds you to take a break after spending too much time on a tab.

    8kbet

    1 user

  • The Owl Twitter

    The Owl Twitter

    Customize your twitter with The Owl House theme

    Konrad

    1 user

  • Password Breach Backup

    Password Breach Backup

    Backup your password security reports securely.

    Christoph

    1 user

  • DarkGalaxy Plus

    DarkGalaxy Plus

    A suite of modules that enhance your DarkGalaxy browsing experience.

    Arcopix

    1 user

  • Fix wrong print of TheLocal

    Fix wrong print of TheLocal

    Fix the wrong print (to pdf) of any article of TheLocal.at (due to the fact that there is no media print option in the CSS of the new version of the website of TheLocal.at).

    Matteo Tommasini

    1 user

  • Image Resize Generator

    Image Resize Generator

    resize your icons and images quickly and efficiently.

    Haikel

    1 user

  • Korea CarHelper 만

    Korea CarHelper 만

    Wanted to buy a car in Korea, but had problems with the language? This extension will help you! It makes prices clear to the European eye and translates car brands.

    loscodes

    1 user

  • Punycode Tooltips

    Punycode Tooltips

    Displays hovering tooltips with the Punycode format of hyperlinks in order to minimize the risk of IDN homograph attacks.

    Punycode Tooltips

    1 user

  • GitLab Styles

    GitLab Styles

    Add some custom stylings to GitLab

    baffi

    1 user

  • Senior Dev Contribution Graph Editor

    Senior Dev Contribution Graph Editor

    Show off your contributions on GitHub.

    Michael Hobbs

    1 user

  • 75donate

    75donate

    Sammle Spenden beim Online-Einkauf ohne mehr zu zahlen (Alpha-Version)

    Martin Luy

    1 user