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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Cookies Exterminator
Auto delete cookies, localStorage and IndexedDB objects as soon as they become unused
FlashGot Mass Downloader
Requires Restart
Download all the links, movies and audio clips of a page at the maximum speed with a single click, using the most popular, lightweight and reliable external download managers.
Addons Quick Search
Requires Restart
Type first letters of add-on name to find them in the list or press Ctrl+↑/↓ to switch between add-ons categories.
Additionally remember and restore last selected item in each list.
Xclear
Requires Restart
Safari-like icons in the URL, search and find fields to clear their contents.
DownThemAll! AntiContainer
Requires Restart
Make the resources behind container pages easily downloadable by DownThemAll!
DSLR Notifier 2
Updated version of the original DSLR Notifier, created by Ryan Flint, which enables members of Dsl/Broadbandreports.com to keep tabs on their instant messages and updated...
Restart
Extended Link Properties + (obsolete)
Requires Restart
This application extends the Link Properties and displays File Size, Last Modified Date, Content Type and HTTP Header of a link...
Warning: developing discontinued, see least
WorldIP - Geo Add-on with Security Features
Requires Restart
Professional Geo Add-on with security features and advanced network tools. Anti-phishing. Protection against DNS spoofing and fake sites. All DNS records for domain. The real location of web server, country flag, extended information about datacenter
Dafizilla Table2Clipboard
Requires Restart
Mozilla applications allow to select rows and columns from a table simply pressing Control key and picking rows/columns with left mouse button.
The selection can be copied to clipboard but the original table disposition is lost making ugly results wh...
Pan
OpenDownload²
Requires Restart
OpenDownload² extends the "Save" dialog by a "Run" button to open the file directly.
rikaichan
Requires Restart
Japanese to English/German/French/Russian dictionary. Just hover the mouse on top of a word, and a popup appears. Automatically de-inflects verbs and adjectives. Detailed kanji view...
Advanced Dork:
Requires Restart
Advanced Dork: gives quick access to Google's Advanced Operators directly from the context menu...
Mozilla Archive Format, with MHT and Faithful Save
Requires Restart
— Open web pages saved with Internet Explorer or other browsers (MHT)
— Save many tabs, video and audio reliably, in a single ZIP file (MAFF)
— Return to the original site you saved a page from, and more!
InspectorWidget
Requires Restart
Adds toolbar button and context menus for invoking the DOM Inspector (DOMi) for either chrome or content elements.
Search IP
Requires Restart
This plugin adds three links to Firefox's context menu that lookup the selected IP address at Project Honey Pot, Utrace, spamhaus, senderbase,...
Remote XUL Manager
Manages the Remote XUL whitelist to allow websites and local files to load XUL content. For versions compatible with Firefox 41 and lower, see All Versions page below.
YouTube Anywhere Player
Watch videos anywhere in cinema mode without leaving the website you're on.
To create your own collections, you must have a Mozilla Add-ons account.
