Save-To-Read
Add-on for quick bookmarking. Allows to add or remove links in one click to read it later.
687 users
FoxReplace
Lets you replace text in web pages. You can define a substitution list and apply it automatically or at your own discretion, or make individual substitutions. You can use this as a filter, or just for fun :)
6,954 users
YouTube High Definition
YouTube High Definition is a powerful tool that automatically plays all YouTube videos in HD, changes video player size, offers auto-stop and mute, and much more.
162,753 users
Resurrect Pages
Dead pages, broken links, the scourge of the internet. Powerhouse sites like Slashdot and Digg can bring a server to its knees. What do we do when a page is dead but we still want to see it? Call in the clerics, and perform a resurrection...
4,136 users
Ghostery – Privacy Ad Blocker
Ghostery is a powerful privacy extension. Block ads, stop trackers and speed up websites.
1,043,352 users
Foobar
Foobar combines Firefox's search and address bars into one easy-to-use search and navigation bar.
131 users
Web of Trust, MyWOT/WOT: Website Reputation Rating
Instantly know which websites to trust! WOT protects you while you browse, warning you against dangerous sites that host malware, phishing, and more.
56,150 users
New Tab Tools
Customizes the new tab page. Add more tiles. Have a background image. Set new tile images and titles. See recently closed tabs. And more...
10,348 users
Greasemonkey
Customize the way a web page displays or behaves, by using small bits of JavaScript.
195,169 users
Open With
Quickly test out your web pages in Chrome, Edge, Safari, or Opera. Open With opens the current page in your other browsers with just two clicks.
4,393 users
Flagfox
Displays a country flag depicting the location of the current website's server and provides a multitude of tools such as site safety checks, whois, translation, similar sites, validation, URL shortening, and more...
115,355 users
Video Resumer
Automatically resumes YouTube videos from where you played them last. Without this extension, for example, when you click through YouTube videos, back and forth, they always start from the beginning.
2,966 users
Evernote Web Clipper
Use the Evernote Web Clipper to save things you see on the web into your Evernote account.
88,672 users
Form History Control
Manage form history entries (search, edit, cleanup, export/import) and easy text formfiller. Auto-save text entered in any form while typing to allow fast recovery when disaster strikes.
7,712 users
ProxTube - Unblock YouTube
In some countries YouTube videos are blocked! Unblock them with this Addon. Supported countries: Germany, Netherlands, Spain, ...? not US compatible Status+Support: proxtube.com & Twitter: twitter.com/ProxTube (EN/DE)
16,713 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.
7,241 users
Personas Rotator
Personas Rotator is a new companion for Personas Firefox add-on to change over 65000+ skins periodically on Firefox. What Will Your Browser Wear Now?
276 users
UsableHomeButton
Button for opening home page of any current site, with menu with parent URLs, items for opening in private window, copying titles and URLs, forgetting site or page, etc.
420 users
Snap Links Plus
Select a number of links with a rectangle and open them in new tabs. You can also lasso checkboxes to quickly check or uncheck them. Works with radio buttons as well.
18,384 users
Brief
Brief makes reading RSS feeds as easy and intuitive as it gets. Designed to have exactly the right set of features, it is powerful and simple at the same time. Feeds are presented on a seamless, interactive page which let's you bookmark and tag items with a single click.
3,561 users
