Master's Choice

by blackseastar

36 Add-ons in this Collection

Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 4,835 reviews

19,360,575 users

Blocks annoying video ads on YouTube, Facebook ads, banners and much more.

Adblock Plus blocks all annoying ads, and supports websites by not blocking unobtrusive ads by default (configurable).

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 5 out of 5 stars 1,837 reviews

2,177,516 users

Firebug integrates with Firefox to put a wealth of development tools at your fingertips while you browse. You can edit, debug, and monitor CSS, HTML, and JavaScript live in any web page...

DownThemAll! by Nils Maier, Federico Parodi, others

Rated 4 out of 5 stars 1,761 reviews

1,244,185 users

The first and only download manager/accelerator built inside Firefox!

Greasemonkey by Anthony Lieuallen, Aaron Boodman, others

Rated 4 out of 5 stars 998 reviews

1,235,845 users

Customize the way a web page displays or behaves, by using small bits of JavaScript.

Tab Mix Plus by onemen, Gary Reyes

Rated 4 out of 5 stars 2,602 reviews

804,966 users

Tab Mix Plus enhances Firefox's tab browsing capabilities. It includes such features as duplicating tabs, controlling tab focus, tab clicking options, undo closed tabs and windows, plus much more. It also includes a full-featured session manager.

Flashblock by Philip Chee

Rated 4 out of 5 stars 1,215 reviews

547,014 users

Never be annoyed by a Flash animation again! Blocks Flash so it won't get in your way, but if you want to see it, just click on...

FireGestures by Gomita

Rated 4 out of 5 stars 928 reviews

352,844 users

A customizable mouse gestures extension which enables to execute various commands and user scripts with six types of gestures.

All-in-One Sidebar by Ingo Wennemaring

Rated 5 out of 5 stars 1,419 reviews

180,788 users

AiOS lets you open various windows as sidebar panels, and quickly switch between them. So it put an end to the window chaos! In addition to bookmarks and history it opens dialogues such as downloads, add-ons and more in the sidebar.

KeeFox by Luckyrat

Rated 5 out of 5 stars 1,173 reviews

59,797 users

Simple and secure password management. Login automatically, never forget another password, stay in control of your passwords and improve their security. Powered by the world-renowned KeePass Password Safe.

Download Manager Tweak by squashr1979, andman42

Rated 4 out of 5 stars 430 reviews

61,200 users

Allows the download manager to also open in a tab or sidebar, and adds some optional display changes.

Image Zoom by Jason Adams

Rated 4 out of 5 stars 340 reviews

144,119 users

Adds zoom and rotation functionality for images...

QuickNote by Leszek Życzkowski, Jed Brown, others

Rated 5 out of 5 stars 172 reviews

27,595 users

A simple note-taking extension.

SearchPreview by Edward Ackroyd

Rated 4 out of 5 stars 392 reviews

75,973 users

The main feature of SearchPreview is to enhance your search results pages. It inserts site preview images (thumbnails), popularity ranks and sponsored links (where available) into Google™, DuckDuckGo™, Yahoo™ and Bing™ searches.

Toolbar Buttons by Michael B.

Rated 4 out of 5 stars 322 reviews

112,685 users

Adds toolbar buttons to the customize toolbar window in several programs including Firefox, Thunderbird and SeaMonkey. Some of the buttons make commonly preformed actions quicker, others add new functionality.

Empty Cache Button by mvm

Rated 4 out of 5 stars 90 reviews

56,475 users

Cache clearing made easy. One click.
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