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
TabFlip With TabFlip you are able to flip through your tabs with great ease. By right-click dragging on the page you will intuitively flip through your tabs getting a quick glimpse of whats in them. Features... book, flip, page, tab, tab flip, tab-flip
Tabs Open Relative Changes browser behavior that new tabs open to the right of the current selected tab rather then the farthest-right tab. Tabs
Tamil dictionary Dictionary, spell-check, spell-checker, spell-checking, tamil, தமிழ்
Tamper Data Monitors HTTP/HTTPS headers and information. HTTPS
Terms of Service; Didn't Read “I have read and agree to the Terms” is the biggest lie on the web. We aim to fix that. Get informed instantly about websites' terms & privacy policies, with ratings and summaries from the http... terms of service, terms of service; didn't read, terms., tos ; dr, tos ;dr, tos; dr, tos;dr
Test Pilot Help us make Firefox better by joining our structured user studies! No need to download this add-on if you are running Firefox 4 beta, - you are already a part of the team! Test Pilot is privacy... beta, beta testing, community, features, fx, good citizen, labs, low coast, new, test, trovavoli, usability test, usage data, viaggi
Text Link Allows the user to double click on URI's to open them. links, URI
The Addon Bar (Restored) Adds back the addon bar for Firefox with the Australis theme (Firefox 29 and up). It aims to be a lightweight, yet fully functional replacement for the old Addon Bar. Great for power users who have... add-on bar, addon bar, addons bar, Australis, classic, customizable, old add-on bar, power user
Thumbnail Zoom Plus Shows full image when you hover over a thumbnail. Works with Amazon, Baidu Images, Bing Images, Facebook, Flickr, Google+, Google Images, IMDb, LinkedIn, Netflix, Pinterest, Reddit, Twitter, Yandex,... Amazon, baidu, bing, engadget, facebook, Flickr, Google, googleplus, image, IMDB, linkedin, netflix, reddit, thumbnail, tumblr, twitter, Wikipedia, Wordpress, youtube, zoom
Tile Tabs Tile Tabs allows tabs to be displayed in tiled layouts within the Firefox tabbed browser content area. In each tiled layout, tiles can be arranged horizontally, vertically or in a grid, and tiles can... tab, Tabs, tile, tile-tabs, tiles, tiletabs
TimeStamp Converter Converts dates and timestamps. Converter, Time, Timestamps
TinEye Reverse Image Search This is the official TinEye extension for Firefox. ABOUT TINEYE TinEye is the first image search engine on the web to use image identification technology rather than keywords, metadata or watermarks... context menu, image, Search
Tinseltown A Christmas theme. christmas, presents, reindeer
Tiny Menu Compacts the menu into one button. Menu
TinyURL Generator This add-on allows you to generate a TinyURL for the page you are currently viewing in the background. The URL created is then copied into your clipboard so that it can be pasted into e-mails or IM... short url, tiny url, tinyurl, URL, url shortener
ToggleUseDocColors Allows users to change the colors and look of websites. Colors
Toolbar Buttons A button pack with over 100 buttons for the toolbar. Many of the buttons enable hidden functionality or functions that are too many clicks away, and some of the best buttons offer functionality... button, buttons, toolbar
Torbutton You should either user Tor Browser Bundle(TBB)[1] or Tails[2]. Torbutton is part of the TBB. Torbutton is a 1-click way for users to enable or disable the browser's use of Tor. It adds a panel to the... anonymity, privacy, Tor
Tranquility Tranquility is a FireFox extension that improves the readability of web articles. Tranquility removes unnecessary elements in a webpage, and provides a simple and tranquil reading experience. Similar... noscript, readability, tranqulity
Tree Style Tab Shows tabs in a tree style. Tabs, Tree
ttrss-button First test plugin to provide a button to add current web to specified tinytinrss (as bookmarklet does). TinyTinyRSS is a free and self-hosted web based RSS feed reader. Find out more on https://tt-... bookmarklet, rss, TinyTinyRSS, ttrss
Turn Off the Lights The entire page will be fading to dark, so you can watch the video as if you were in the cinema. With a click of a button, the page will fade darker to make it easier to see the video. Click the... fade, light, video
Turn Off the Lights Mini Hides the page content - except videos and other media - with a simple black overlay. No fancy extras, just lightweight, perfect darkness! About this Add-on Turn Off the Lights Mini (formerly Page... cinema, dark, jetpack, lights, movie, off, video
Twitter Disconnect ***Facebook Disconnect has been replaced by Disconnect. Please use it instead.*** Twitter is notified whenever you visit one of the more than 20 percent of sites on the web that include Twitter... privacy
TwitterBar Allows you to post to Twitter from Firefox's address bar. A small Twitter icon sits to the right of your address bar; clicking on it will post your tweet, and you can hover your mouse over it to see... Address bar, location bar, microblogging, twitter