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.
5,931 users
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.
5,907 users
Zoom for Firefox
Zoom in or out on web content using the zoom button and mouse scroll wheel for more comfortable reading. That to each percent value. It helps you to zoom easily in and out a web page. Thanks to the slider and the zoom buttons.
5,788 users
WhatRuns
Discover what runs a website - This Firefox extension helps you identify technologies used on any website at the click of a button.
5,597 users
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.
5,581 users
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
5,578 users
QR Code (Generator and Reader)
Generate QR Code from the url of current page, link or selected text. And decode QR Code in image.
5,555 users
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.
5,547 users
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.
5,460 users
Full Screen for Firefox
Go full screen with one click on the full screen button. That includes also the full screen movies such as the YouTube, Vimeo, Dailymotion, Youku video player, etc.
5,284 users
مترجم ، اولین افزونه ترجمه خودکار
مترجم ، اولین افزونه ترجمه خودکار صفحه خود را در زمان واقعی با استفاده از Google یا Yandex ترجمه کنید. Regards , Mohamad Samardeh Haghighi Fard :)
5,243 users
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.
5,113 users
Enhancer
Enhancer is open-sourced and free extension, which adds what is missing on streaming platforms.
4,973 users
Pokémon Showdown Randbats Tooltip
Enhanced Tooltip functionality for Pokémon Showdown Random Battle formats.
4,953 users
Mouse Gesture Events
Control your browser faster and easier with gestures using mouse movement.
4,884 users
