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

Log in

10,394 extensions found in Social & Communication

Filter results
Search results
  • OpenLink Structured Data Sniffer

    OpenLink Structured Data Sniffer

    Adds structured data discovery and handling of multiple content-types to your browser. Reveals Structured Metadata embedded within HTML pages in notations including POSH (Plain Old Semantic HTML), Microdata, JSON-LD, RDF-Turtle, and RDFa.

    OpenLink Software Inc

    394 users

  • TF2 Trade Helper

    TF2 Trade Helper

    Helps with trading TF2 items. Steam group: https://steamcommunity.com/groups/tf2tradehelper Website: ser646.github.io

    Ser646

    393 users

  • VLibras Plugin

    VLibras Plugin

    O VLibras-Plugin é um tradutor de Português para LIBRAS. Através do VLibras-Plugin é possível fazer a tradução de qualquer texto em Português para LIBRAS de maneira simples, rápida e fácil.

    vlibras

    392 users

  • Yandex.Mail notifier

    Yandex.Mail notifier

    Tunable notifier for Yandex.Mail

    Alexander Ivantsov

    391 users

  • Bloqueador de Sites Adultos

    Bloqueador de Sites Adultos

    Extensão para bloquear conteúdo pornográfico.

    Bruno Modinuti

    390 users

  • Old Reddit Images

    Old Reddit Images

    Displays linked images in comments on old Reddit.

    Matheus Lima

    387 users

  • ZeroBlur

    ZeroBlur

    Blur any sensitive information from any website or web app. Keep data safe when delivering demos or recording videos!

    DivByZero

    386 users

  • Image Search for Tineye

    Image Search for Tineye

    Image Search for Tineye. Right click image and search image copies for Tineye.

    HagGeowanni

    386 users

  • Email Notifier

    Email Notifier

    A lite notifier that works with Gmail™, Yahoo, Live, iCloud, Mail.com and GMX

    Morni

    383 users

  • Twitter Misc

    Twitter Misc

    Miscellaneous functions related to Twitter (This add-on was formerly called Twitter Old UI)

    zupffwhy

    383 users

  • Pinterest downloader for entire boards | Unpinned

    Pinterest downloader for entire boards | Unpinned

    Download Pinterest videos and images in bulk with Unpinned. Save entire boards, even those with over 5,000 pins — in top quality.

    Uninspired Studio

    381 users

  • Hot Virtual Keyboard Extension

    Hot Virtual Keyboard Extension

    This extension brings up the virtual keyboard when entering text input fields. Hot Virtual Keyboard has to be installed and running: Virtual Keyboard Home Page

    Comfort Software Group

    378 users

  • Yahoo Mail Sidebar

    Yahoo Mail Sidebar

    Yahoo Mail Sidebar brings Yahoo Mail right into your Firefox Sidebar.

    Baris Derin

    378 users

  • RSI Companion

    RSI Companion

    Improve your RSI experience.

    Kamille

    375 users

  • Twitter検索プラグイン

    Twitter検索プラグイン

    Firefox 70.0.1 現在の既定のTwitter検索プラグインは、Twitter の新しいUIに対応しておらず、スラッシュが文字化けします。

    100の人 (エスパー・イーシア)

    374 users

  • Wiznote Web Clipper

    Wiznote Web Clipper

    使用“为知笔记”扩展程序，将网络上你需要的内容与网页保存到你自己的帐户

    为知笔记

    374 users

  • LinkOff - LinkedIn Filter and Customizer

    LinkOff - LinkedIn Filter and Customizer

    No more seeing unwanted likes and comments by your connections. Block the feed or filter it using custom keywords and find the connections and posts you want more easily. Job seeking? Advanced job filtering COMING SOON. Also cleans the inbox!

    Noah Jelich

    373 users

  • VK AD SKIP — skip ad segments on VK Video

    VK AD SKIP — skip ad segments on VK Video

    VK AD SKIP automatically skips advertising and off-topic segments inside VK videos — with no setup, no manual seeking, and no interruptions.

    STAR-tech

    373 users

  • Open-Deck

    Open-Deck

    TweetDeckの代替フロントエンドを目指して開発しています

    kawa-nobu

    372 users

  • Twitter download video

    Twitter download video

    Provides the ability to download and save videos from Twitter.com

    Vikingus

    372 users

  • Fellow

    Fellow

    Bring Fellow into Google Meet and Google Calendar

    Fellow

    372 users

  • G-CAL Highlighter

    G-CAL Highlighter

    Google Calendar

    macha

    369 users

  • VLC online - multimedia player

    VLC online - multimedia player

    Play most multimedia files, and various streaming protocols with this VLC distributed online.

    Winfy

    368 users

  • Instant Games

    Instant Games

    Free +200 HTML5 games. Instant Online Games. No Install. Messenger Games. Marketplace millions of users. Works Offline.

    OinkAndStuff

    366 users

  • Native text to speech ( tts )

    Native text to speech ( tts )

    Website and PDF text to speech reader. Uses installed voices on your pc.

    ulf3000

    366 users