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

Log in

12,399 extensions found in Appearance

Filter results
Search results
  • Open in Popup Window

    Open in Popup Window

    Open any links and images in a popup window

    emvaized

    182 users

  • WP Hive - A better WordPress Repository

    WP Hive - A better WordPress Repository

    Get useful metrics such as the impact on memory usage & pagespeed, PHP errors, warning, Javascript issues, PHP compatibility, latest WordPress version compatibility, database footprint, activation error, and more right from the WordPress repository

    WP Hive Team

    182 users

  • Alarm, Timer and Stopwatch

    Alarm, Timer and Stopwatch

    A powerful alarm extension that supports timer and stopwatch with snooze

    Brian

    182 users

  • Perplexity Sidebar

    Perplexity Sidebar

    Open Perplexity in the Firefox sidebar

    Ravenna

    182 users

  • Profile Indicator

    Profile Indicator

    Displays which Firefox profile is in use.

    Bing

    182 users

  • PageMark

    PageMark

    Make some highlights | Take some notes

    PixelGiant

    182 users

  • Ecosia Dark Mode

    Ecosia Dark Mode

    A beautiful darkmode built for the Ecosia search engine. Save the planet and your eyes: Ecosia Dark Mode enables a custom dark theme for all Ecosia searches, giving your eyes a chance to rest while your searches plant trees.

    ramiel

    181 users

  • FACEIT Leetify rating

    FACEIT Leetify rating

    A small extension that displays leetify ratings on FACEIT.

    finnb

    181 users

  • URL Params Editor

    URL Params Editor

    This is a tool for web developers. It makes editing URL parameters for long URLs much easier. You can use this tool to view each URL param, add new or delete existing ones.

    Z. W.

    181 users

  • Caps Lock Notifier

    Caps Lock Notifier

    Add an icon to password fields to indicate whether caps lock is on.

    Nick Barry

    181 users

  • KMF-Unblock

    KMF-Unblock

    解除『考滿分』區域限制 A Chrome and Firefox extension that bypasses KMF region restriction.

    Alvin Hou

    181 users

  • Dark Theme for Instagram™

    Dark Theme for Instagram™

    Dark Theme for Instagram

    onRuntime Studio

    180 users

  • i-dont-want-cookies

    i-dont-want-cookies

    Removes annoying cookie banners from websites, without accepting them.

    atopion

    180 users

  • reSkroutzed

    reSkroutzed

    reSkroutzed, is a must-have enhancer for website skroutz.gr.

    Keybraker

    180 users

  • BetterSEQTA+

    BetterSEQTA+

    Enhance SEQTA's usability and aesthetics! A fork BetterSEQTA to continue development, add endless customization, and incorporate a plethora of new features!

    BetterSEQTA+

    179 users

  • readReddit, readable text posts on reddit

    readReddit, readable text posts on reddit

    Takes any text post and reformats it to a pleasant to read format. readReddit adds a pleasant and clutter free reading mode for reddit text posts and comments.

    creesch

    179 users

  • PDF Coretax by Hanim

    PDF Coretax by Hanim

    Download PDF hanya untuk data yang dicentang.

    KelapaPusing2x

    178 users

  • 9GAG NSFW Unblocker

    9GAG NSFW Unblocker

    Bypass blocked nsfw 9gag images with one click!

    Pixelbrei

    178 users

  • Tab Count in Window Title

    Tab Count in Window Title

    Show the tab count for each window in its title.

    Lej77

    178 users

  • Ultimate Theme creator

    Ultimate Theme creator

    Create and share your ultimate color theme for firefox with the highest level of customization possible. Select your preferred color for various parts of the browser UI to try instantly. This extension is powered using the theme API for Firefox.

    Ramkumar K R

    178 users

  • helyesírás.mta.hu

    helyesírás.mta.hu

    Helyesírás-ellenőrzés a http://helyesiras.mta.hu oldalon a böngészőben kijelölt szavakra jobb gombbal kattintva megjelenő menüpont, vagy az eszközsávon található gomb segítségével.

    Pálóczi Ádám

    177 users

  • showHTML

    showHTML

    This extension shows information about a web page's HTML elements as you hover over them. The details are displayed in a text stripe at the top of the screen. Clicking on the text stripe will toggle it between top and bottom placement.

    freginold

    177 users

  • Doc to PDF

    Doc to PDF

    Easily convert and download any document (doc, docx, ppt, etc.) to a PDF file.

    Muyor

    177 users

  • NameMC Extras

    NameMC Extras

    An extension that enhances your NameMC experience with a range of powerful features.

    NameMC Extras Team

    177 users

  • Cambridge English Dictionary

    Cambridge English Dictionary

    Cambridge English Dictionary search tool

    Chung

    177 users