Top-Rated Extensions

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PrefBar Requires Restart

The all in one toolbar(item). Houses and manages bigger amounts of buttons (Clear Cache, Clear Cookies, ...), Menus (User Agent spoof...) and checkboxes (Javascript, Flash, ...). Extensible from online-database or with self created buttons.

Rated 5 out of 5 stars (39)
14,864 users

Space Next Requires Restart

Press the "Space" key at the end of a page to load the next page (à la Opera)

Rated 5 out of 5 stars (45)
4,152 users

GutscheinDoktor Gutschein-Melder Requires Restart

Unser Gutschein-Melder informiert dich vor JEDEM Einkauf, ob der GutscheinDoktor gratis Gutscheincodes für deinen Einkauf bereithält.

Rated 5 out of 5 stars (194)
1,015 users

Binnen-I be gone

This add-on likely is only useful for users who speak German or visit German language websites - it will remove so called "Binnen-Is" on webpages.

Rated 5 out of 5 stars (81)
1,440 users

Form History Control Requires Restart

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.

Control for which webpage form history is saved or not.

Rated 5 out of 5 stars (87)
24,130 users

xThunder Requires Restart

Manage popular downloaders (Windows, Linux, Mac) and support special links of thunder,flashget,qqdl,ed2k,magnet,fs2you.

Rated 5 out of 5 stars (87)
183,226 users

QuickNote Requires Restart

A simple note-taking extension.

Rated 5 out of 5 stars (174)
26,310 users

Tab Groups Helper Requires Restart

Create and manage tab groups in a side-by-side list-view interface, or "Groups Bar" toolbar interface. Single or multi-tab close, bookmark, or move across groups. Search for tabs by title or content in current or all groups. Much more...

Rated 5 out of 5 stars (83)
5,810 users

Firepicker Requires Restart

Simple color picker plugin for Firebug.

Rated 5 out of 5 stars (56)
14,434 users

Media Keys

Lets you control various media sites using the media keys on your keyboard without having the Firefox window active.

Supported Sites: youtube, pandora, spotify, bandcamp, google play, yandex, soundcloud, tidalhifi, deezer, plex, vk and more.

Rated 5 out of 5 stars (53)
2,796 users

购物党全网自动比价工具:淘宝京东比价、历史价格跟踪、降价提醒、全网收藏夹

浏览商品页面时,自动比较同款商品在淘宝/天猫/京东/当当/苏宁/国美/亚马逊/新蛋/易迅/一号店等100多家主流网上商城的最低价格;并展示180天价格历史,降价时自动提醒,收藏全网商品。

Rated 5 out of 5 stars (32)
14,801 users

MinimizeToTray For FF 3.5 Requires Restart

MinimizeToTray For firefox 3.Minimizes Mozilla windows into the system tray.Note:I am going to remove this extension if the original creator make a FF 3 version!

Rated 5 out of 5 stars (121)
1,472 users

Print Edit Requires Restart Featured

Allows editing of web page content while in Print Preview mode, prior to printing or saving as HTML or PDF. Compacts the layout and removes unwanted content such as adverts, sidebars and blank pages. Any element can be formatted, hidden or deleted.

Rated 5 out of 5 stars (305)
114,309 users

Digger Requires Restart

Navigate “up” easily in sites with hierarchical URLs, e.g from http://example.com/foo/bar to http://example.com/foo

Rated 5 out of 5 stars (30)
936 users

Better URL Bar

Makes the URL bar and Search bar more readable, and the navigation-toolbar compact.

Rated 5 out of 5 stars (17)
1,291 users

Adblock Plus Pop-up Addon Requires Restart Featured

Adblock Plus Pop-up Addon extends the blocking functionality of Adblock Plus to those annoying pop-up windows that open on mouse clicks and other user actions.

Rated 5 out of 5 stars (203)
1,026,691 users

Secure Password Generator Requires Restart

Easy to use add-on to create random secure passwords.

Rated 5 out of 5 stars (15)
2,036 users

SporeScope Requires Restart

Improves the Sporepedia website (www.spore.com/sporepedia).

Rated 5 out of 5 stars (18)
1 user

Boo.ly Shopping - Coupons, Best Prices, & Offers Requires Restart

Want to save money shopping online?

Automatically get the best prices, coupons & promo codes.

✔ Uses HTTPS
✔ Automatically get the best prices & coupon codes
✔ Works on search engines
✔ Product information

Safe · Discreet · 100% Free

Rated 5 out of 5 stars (67)
2,919 users

Enhancer for YouTube™

One of the best extensions for YouTube™. All the features you need to make YouTube™ more awesome!

Rated 5 out of 5 stars (14)
18,184 users