Add-ons
To try the thousands of add-ons available here, download Mozilla Firefox, a fast, free way to surf the Web!
CloseWelcome to Firefox Add-ons.
Choose from thousands of extra features and styles to make Firefox your own.
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Classic Pop-up Alerts
This addon returns the old view of the pop-up notifications, as in Firefox 4.0 - 43.0
ClassicFox
Requires Restart
ClassicFox fixes problems with the appearance of the default theme in Windows Classic.
Classicish Add-on Manager
Requires Restart
A restyling of the Add-on Manager to a more native appearance.
CleanHide
Requires Restart
if you find some web page use Hidden Text insert in normal articles,try this.
Click-to-Play Manager
Clickbank Search
This extension is the most advanced tool to reach Clickbank Store with ease get your to favorite products.If you right-click on some selected text, then it will give an option to search the selected text.
ClickGuard
Clip to OneNote
Requires Restart
Clip to OneNote is a free add-on which helps you to send text, pictures and other data to Microsoft Office OneNote with a single click.
Close last tab with middle-click
THIS ADD-ON IS NOW UNNECESSARY FOR FIREFOX 31 AND UP!
Tired of middle-clicking on the last tab in Thunderbird, only to have nothing happen? This add-on embraces the industry-standard middle-click behavior of IE, Chrome, and Firefox (3.6- and 31+).
Close Proxy Authentication
Requires Restart
Provides transparent proxy authentication on your enterprise network.
Close authentication dialog if login on proxy failed.
CloseTab
Requires Restart
Lightweight add-on which adds to right-click menu 3 items allowing to close current tab, open a new one and reopen closed one. Right-click anywhere on site instead of using keyboard or finding buttons.
Closy
Requires Restart
Provides close all blank/duplicate tabs and Close all tabs to the left/right plus many other options.
Color Transform
Transform the colors of entire web pages or selected elements. Combine predefined themes with basic transforms. Save transforms for specific web domains.
Colorific
Colorize entire web pages. Configure themes using sliders and drag-and-drop. Set domain preferences for automatic coloration.
Column Reader
Web reader for wide screens and long documents. Read with pleasure in attractive layouts.
Compact Menu 2
Requires Restart
Add a compact menu button to the navigation toolbar, and hide the menu bar.
Complete master password
Requires Restart
The goal is to avoid to have to enter the master password on application startUp.
The extension is not self-sufficient, a script has to extract the master for a secure storage like gnome-keyring, then to transfer it through an environment variable.
Complete YouTube Saver
Requires Restart
Download YouTube videos in various formats including 1080p, 4K etc (DASH formats). Convert audio track from videos to MP3 or WAV, or save audio in native format (Ogg, AAC/M4A, MP3, OPUS). Save YouTube page, video, comments and subtitles to one folder
Config Descriptions
Shows source comments for advanced application preferences in about:config
To create your own collections, you must have a Mozilla Add-ons account.
