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

Log in

15,455 extensions found in Appearance

Filter results
Search results
  • TVSubs - Add TV Shows to Youtube

    TVSubs - Add TV Shows to Youtube

    Inject external items into YouTube's Subscriptions feed that look like videos but link elsewhere.

    TestPenguin

    0 users

  • Clipboard Watch Whitelist

    Clipboard Watch Whitelist

    Manage domains allowed to bypass clipboard restrictions.

    Robert

    0 users

  • closealltabvision2026

    closealltabvision2026

    __MSG_extensionDescription__

    HuyenTran

    0 users

  • Lexicon Journey

    Lexicon Journey

    A fun and educational quiz game to practice translating English words related to daily activities into Vietnamese, enhancing your vocabulary skills.

    Evangeline Frostbane

    0 users

  • RickUnroll

    RickUnroll

    Finds "Rickrolls" in Hyperlinks, removes the link and adds [RR]

    RealAso

    0 users

  • Compact Log Mode

    Compact Log Mode

    Show a minimal summary in popup.

    Kayleigh

    0 users

  • OETestet

    OETestet

    This Addon should help admins in Test Centers to make faster registration possible.

    Leono Meistro

    0 users

  • Margin-Aware Ruler

    Margin-Aware Ruler

    Restrict ruler width to text column margins.

    Jasmine

    0 users

  • Night Mode Toggle is

    Night Mode Toggle is

    Night Mode Toggle lets you switch any website to dark mode with just one click. Reduce eye strain while browsing at night. No complex settings, no content interference—just a fast, lightweight, and effective dark theme for every site.

    BET88

    0 users

  • Shortcut Wizard

    Shortcut Wizard

    Organize and manage your web shortcuts effortlessly.

    Ali Babaei

    0 users

  • Firedoge Start Page

    Firedoge Start Page

    This extension should not only work as an New Tab Start Page for your browser, but futurelly it will also work as an hybrid extension, communicating with an native application (such as accessing and managing IPFS pins).

    Plasmmer

    0 users

  • Review Marking

    Review Marking

    Mark saved articles as reviewed after reading.

    Will Brewer

    0 users

  • Word Count & Reading Time

    Word Count & Reading Time

    Count words/characters for selection or whole page and estimate reading time (adjustable WPM).

    langit88itcom

    0 users

  • Clean Markdown Comparison View

    Clean Markdown Comparison View

    Compare raw Markdown content side by side.

    Malakai

    0 users

  • Football Legends Quiz

    Football Legends Quiz

    Football legends & icons quiz from Vietnamese clues.

    Ravok Frostclaw

    0 users

  • OrderedAssigneesBar

    OrderedAssigneesBar

    Injects an avatar toolbar to quickly set Jira assignee filters on any JIRA board.

    Florian Bäthge

    0 users

  • Ymbed

    Ymbed

    A simple Firefox extension that when on Youtube, if you click the KeyE the current video playing will be fullscreened to the tab it's on.

    Adriano Soares

    0 users

  • X For You Disabler

    X For You Disabler

    Removes the For You tab and auto-switches to Following on X.com

    Darkness

    0 users

  • PeerTube-to-Twitch Bridge Viewer

    PeerTube-to-Twitch Bridge Viewer

    Renders the bridging Twitch bot's messages as a viewer.

    NorthWestWind

    0 users

  • Auto Mute Tabs i

    Auto Mute Tabs i

    Automatically mutes all other tabs except the one you're currently using.

    hb88

    0 users

  • Radio Helsinki Volume Control

    Radio Helsinki Volume Control

    Add volume control to radiohelsinki.fi

    aminoffz

    0 users

  • Word Lookup iss

    Word Lookup iss

    Quickly show Vietnamese meaning of selected English words.

    KBBET

    0 users

  • Weather Words Whirl

    Weather Words Whirl

    Master English weather idioms and expressions! Each clue gives a Vietnamese meaning or context — guess the exact English phrase. Perfect for learners who want to sound natural when talking about the weather.

    Ravion Nightreign

    0 users

  • Voyager New Tab

    Voyager New Tab

    Replaces your new tab page, with a much better one. Has a simple java script parser and a favorites grid. None of the junk you don't need.

    S5H

    0 users

  • OpenInSeedbox

    OpenInSeedbox

    Envoyez votre .torrent vers notre seedbox ! Private addons for Transmission API ACCESS. View git http://git.dyjix.eu for more informations.

    hexicans

    0 users