Ultrawidify
Aspect ratio fixer for Youtube. Allows improperly encoded videos to properly fit ultrawide and superwide displays (e.g. 21:9) — and it attempts to do so automatically.
6 363 користувача
Dark Mode - Night Eye
With Dark Mode - Night Eye, you can easily switch websites between dark and light mode as desired to take care of your eyes and reduce eye strain. Make your online experience more comfortable and enjoyable with this simple and convenient tool.
6 362 користувача
QR Code Reader
Scanning EAN-13/UPC-A, UPC-E, EAN-8, Code 128, Code 39, Codabar, Interleaved 2 of 5 and QR Codes from webcam or image files
6 339 користувачів
Save PDF
Save current page as PDF. Very simple. No permissions, no third-party server. Uses only built-in Firefox converter. Works on Windows and Linux, not on Mac.
6 256 користувачів
Unwanted Twitch
Hide unwanted streams, games, categories, channels and tags on: twitch.tv
6 106 користувачів
QR Code (Generator and Reader)
Generate QR Code from the url of current page, link or selected text. And decode QR Code in image.
6 071 користувач
WhatRuns
Discover what runs a website - This Firefox extension helps you identify technologies used on any website at the click of a button.
5 959 користувачів
Quick Dial
Quick Dial, a speed dial page inspired from fast dial. Full Open Source, No Web Service, No Cloud Account, your data is your own.
5 937 користувачів
DjVu.js Viewer
The extension is a local copy of the DjVu.js Viewer which is available on https://djvu.js.org/. It allows you to open links to .djvu files right in the browser and .djvu files from a local drive. Also, it processes tag with .djvu files.
5 898 користувачів
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.
5 884 користувача
Full Screen for Firefox
Go full screen with one click on the full screen button. That includes also the full screen movies such as YouTube, Vimeo, etc.
5 668 користувачів
Enhancer
Enhancer is open-sourced and free extension, which adds what is missing on streaming platforms.
5 503 користувача
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.
5 411 користувачів
Translate Web Pages
Перекладіть свою сторінку в реальному часі за допомогою Google або Yandex.
5 379 користувачів
Pokémon Showdown Randbats Tooltip
Enhanced Tooltip functionality for Pokémon Showdown Random Battle formats.
5 277 користувачів
Timer (alarm, timer and stopwatch)
Stylish timer combined with stopwatch and alarm for your browser.
5 215 користувачів
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.
5 200 користувачів
