Theme Font & Size Changer
Theme Font & Size Changer lets you change the global font size and font family used for the user interface in Firefox. Design your browser with your favorite font.
5 197 utilisateurs
CAI Tools
Extra features for Character.AI. Background, Font and Memory Manager, chat/character cloning, import/export characters, save chats and more!
5 123 utilisateurs
EuroSaver – Comparateur de prix Amazon Europe
Simplifie la comparaison des prix des produits Amazon entre tous les magasins européens pris en charge.
4 937 utilisateurs
WhatRuns
Discover what runs a website - This Firefox extension helps you identify technologies used on any website at the click of a button.
4 818 utilisateurs
Rotate Youtube Video (+ Zoom / Mirror, AB Loop)
You can rotate, zoom, mirror, or A-B loop the video. See the full details at the bottom of this page, or press the shortcut Ctrl + Shift + 1 after installing the add-on to open the add-on preferences.
4 813 utilisateurs
Tridactyl
Vim, but in your browser. Replace Firefox's control mechanism with one modelled on Vim. This addon is very usable, but is in an early stage of development. We intend to implement the majority of Vimperator's features.
4 807 utilisateurs
Fixed Zoom
Extension that sets a custom default zoom for all pages in Firefox. You can set a general zoom for all pages or custom rules depending on the site.
4 802 utilisateurs
YouTube Popout Player
Provides a simple way to open any YouTube video in a popout window
4 748 utilisateurs
RYS — Remove YouTube Suggestions
Stop the YouTube rabbit hole. Customize YouTube's user interface to be less engaging.
4 696 utilisateurs
Timer (alarm, timer and stopwatch)
Stylish timer combined with stopwatch and alarm for your browser.
4 670 utilisateurs
Copy Selected Links
Right-click selected text to copy the URL of any links it contains.
4 656 utilisateurs
YouTube LiveChat Flusher (Danmaku Chat)
Provides bullet chatting (danmaku) on YouTube Live, like niconico or bilibili.
4 578 utilisateurs
Sauce for Strava™
Additional functionality for your cycling and running analysis. This extension upgrades the Strava™ website.
4 469 utilisateurs
Better Darker Docs
Gives Google Docs, Sheets, Slides, and Drawings a proper dark mode based on system theme, plus clearer text
4 387 utilisateurs
