Add-ons

This is a list of libre extensions, themes and translations for the browser. It is a work in progress, we need volunteers to add content to the list. If you want to help, please ask in the forums/mailing lists.
Name Description Screenshots Tags
View Source Chart Inspect DOM quickly. DOM, html
VimFX VimFx is a Mozilla Firefox extension which introduces Vim-style keyboard shortcuts for browsing and navigation, significantly reducing the use of mouse, and allowing your hands to rest on the home... Navigation, Vim
Vimium-FF The Hacker's Browser. Vimium provides keyboard shortcuts for navigation and control in the spirit of Vim. This is a port of the popular Chrome extension to Firefox. Most stuff works, but the port to... keyboard bindings, keyboard shortcuts, Navigation, vi, Vim, vimfx, vimium
Vimperator Makes the browser behave like Vim. Vim
VKontakte.ru Downloader (get music/videos/photos) Download music, videos and photos from VK.com / vkontakte.ru. One-click download, natural filenames, displaying file size and bitrate for music, downloading HD video, downloading HQ photos. No spam,... download, music, video
VLC Media Player - Web Plugin Creates support for VLC VLC
Wallabag This Add-on allows you to post URLs to your Wallabag instance. Wallabag is a free (MIT licensed) and self-hosted alternative to Pocket, Instapaper, etc. More information at http://wallabag.org poche, pocket, read it later, wallabag
Wallabag This Add-on allows you to post URL to your Wallabag instance. Wallabag is free and self-hosted alternative to Pocket, Instapaper, etc. More informations at http://wallabag.org poche, pocket, read it later, wallabag
Walloon language pack langpack, language pack, walloon, walon
Walnut for Firefox A theme with a wooden look and feel. Based on icons from art.gnome.org. Includes support for DOMInspector, chatzilla, stumbleupon, downloadstatusbar, fission, forecastfox, downloadmgr, calendar,... wood, wooden
Walnut2 for Firefox Wood theme using icons from art.gnome.org. Includes support for many extensions. Walnut2 is based on Walnut but with better looking wood panels. walnut, wood, wooden
Wappalyzer Wappalyzer is a browser extension that uncovers the technologies used on websites. It detects content management systems, eCommerce platforms, web servers, JavaScript frameworks, analytics tools and... Search Tools, web development
WCAG Contrast checker Checks to see if colors on a website are correct for perception. Colors
Web Developer The Web Developer extension adds various web developer tools to the browser. If you are having problems with the extension disappearing please read this forum post for a fix: http://forums.... css, debug, desarrollo, developer, DOM, html, javascript, web
WebMail Notifier Checks your webmail accounts and notifies the number of unread emails. Currently supports: Gmail (Gmail & Google Apps) Yahoo (yahoo.com, ymail.com, yahoo.co.jp) Hotmail (hotmail.com, msn.com... aol, Email, Gmail, IMAP, mail, POP3, twitter, webmail, yahoo
WebODF WebODF allows you to view documents in the OpenDocument format in your browser. ODF, opendocument
Webutation Would you like to know which websites are safe and which website you can trust? The Webutation add-on shows you the reputation of a site with a simple green/yellow/red icon and scans websites against... Alerts & Updates, Privacy & Security
Wikileaks Search Disclaimer: OpenSearch engines must be installed from the addons.mozilla.org project page. This addon simply allows you to search the archives of Wikileaks. OpenSearch engine
WikiLook Allows quick lookup on Wikipedia and Wiktionary. Wiki
Wikipedia (SSL) Disclaimer: OpenSearch engines must be installed from the addons.mozilla.org project page. Wikipedia is an openly-editable, free content internet encyclopedia. This search bar add-on utilizes SSL to... OpenSearch engine
Window Resizer Allows the browser window to be re sized to standard resolutions. Resizing
wmlbrowser Simulate WAP browsing by viewing WML (Wireless Markup Language) pages. browser, wap, wml
WordPress Helper Expands wordpress tools and help. Wordpress
Wordpress.com Sidebar Creates a sidebar to access wordpress accounts with. Wordpress
Xclear Icons in the URL, search and find fields to clear their contents. This is mostly useful for X-windows users who don't want their clipboards to be erased when marking the text in the field to delete... clear buttons, konquerer, safari