Top-Rated Extensions

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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 (93)
18,541 users

Classic Bookmarks Button Requires Restart

Mainly for Firefox 29+!

This add-on restores bookmarks menu known from older Firefox versions on Firefox Australis.

Use 'Customize (Toolbar)' menu to place the new bookmarks button on your favorite toolbar.

Rated 5 out of 5 stars (26)
2,859 users

Policeman

Policeman gives you precise control over what web requests are allowed. Create rules based on domain name and type of resource being requested. It can also be used to improve privacy or block cross-site scripts.

Rated 5 out of 5 stars (49)
1,431 users

Addons Manager Hilite

Remembers last selected (hilited) extension/theme/plugin/userstyle in Add-ons Manager. Version 3.0 also includes sorting buttons. Turn off/on the add-on selection list box and/or fine tune behavior via its Options.

Rated 5 out of 5 stars (19)
460 users

Humancharacterguess

This addon predicts your character based on date of birth
This add on would be added to addon bar above the taskbar with name HCGdora and click on it to open

Rated 5 out of 5 stars (17)
45 users

Edit Middle Requires Restart

Show AwesomeBar results when editing in the middle (not just at the end)

Rated 5 out of 5 stars (17)
0 users

Better URL Bar

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

Rated 5 out of 5 stars (19)
913 users

Rainbow Color Tools Requires Restart

Color tools for web development.

Color picker and eyedropper + saving colors and trying out colors with drag and drop.

Rated 5 out of 5 stars (95)
19,179 users

Simple Youtube Repeater Compatible with Firefox 57+

Simply click the repeat button to make the video automatically repeat. Works both with the newest HTML5 Player(version 2) and the old Flash Player(version 1).

Rated 5 out of 5 stars (19)
1,893 users

QuickJava Requires Restart Featured

Allows quick enable and disable of Javascript, Cookies, Image Animations, Flash, Silverlight, Images, Stylesheets and Proxy from the Toolbar. This is great for increasing security or decreasing bandwidth. (Read details for info on Java with FF52+!)

Rated 5 out of 5 stars (189)
200,250 users

Font Finder (revived) Compatible with Firefox 57+ Featured

Get all CSS styles of selected text

Rated 5 out of 5 stars (19)
8,962 users

DblClicker

Double-click action for Firefox -
double-click Link, Bookmark/History to open in new tab (emulate ctrl+click).

Rated 5 out of 5 stars (71)
2,554 users

Page Translator Compatible with Firefox 57+

One-click in-line page translation for Firefox. Translates any page using Google Translate or Microsoft Translator. It's minimalist. The translate icon will only appear if the page is in a foreign language.

Rated 5 out of 5 stars (19)
1,564 users

bioFOX Requires Restart

Bioinformatics tools on Mozilla based browsers

Rated 5 out of 5 stars (20)
173 users

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 (41)
11,629 users

Irvine ContextMenu Requires Restart

Downloads links and images with Irvine.

Rated 5 out of 5 stars (25)
4,355 users

Ecosia — The search engine that plants trees! Featured

Ecosia is a search engine that donates 80% of its surplus income to planting trees. By searching with Ecosia you can help the environment for free.
This extension adds Ecosia.org as the default search engine to your Firefox. Give it a try!

Rated 5 out of 5 stars (153)
213,181 users

Stylish Sync

Sync engine for Stylish with backup / restore facility.

Rated 5 out of 5 stars (25)
3,838 users

AntyŚledzik - Skasuj śledzika z NK Requires Restart

AntyŚledzik jest dodatkiem usuwającym Śledzika KOMPLETNIE z naszej-klasy.pl. Poza kasowaniem boxa ze strony głównej kasuje także linki w menu oraz na stronie profilu.

Rated 5 out of 5 stars (10)
0 users

NAMFox Requires Restart

Neoseeker Automated Markup - A Firefox Add-On for Neoseeker.com Users

Rated 5 out of 5 stars (10)
10 users