Ulubione (Favorites)

by mkdante381

67 Add-ons in this Collection

ProfileSwitcher by Paolo "Kaosmos"

Download Now

Experimental

Rated 4 out of 5 stars 114 reviews

172 users

It adds some options to launch easily other profiles and the Profile Manager.

Bluhell Firewall by Diego Casorran

Rated 4 out of 5 stars 498 reviews

95 users

Get a faster browsing experience by blocking nasty web resources using Bluhell Firewall, the lightweight Ad-Blocker and Tracking/Privacy Protector.

Stylish Sync by Herrminator

Rated 5 out of 5 stars 31 reviews

4 users

Sync engine for Stylish with backup / restore facility.

Complete YouTube Saver by cg-addons

Rated 4 out of 5 stars 185 reviews

106 users

Download YouTube videos in various formats including 1080p, 4K etc (DASH formats). Convert audio track from videos to MP3 or WAV, or save audio in native format (Ogg, AAC/M4A, MP3, OPUS). Save YouTube page, video, comments and subtitles to one folder

Toolbar Buttons by Button Guy

Rated 4 out of 5 stars 372 reviews

317 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.

RefControl by James Abbatiello

Rated 4 out of 5 stars 180 reviews

18 users

Control what gets sent as the HTTP Referer on a per-site basis.

United States English Spellchecker by jooliaan

Rated 4 out of 5 stars 207 reviews

4,657 users

This dictionary is no longer maintained. Use this dictionary instead.

DOM Inspector by SeaMonkey Council

Rated 5 out of 5 stars 78 reviews

13,764 users

DOM Inspector is a tool that can be used to inspect and edit the live DOM of any web document or XUL application. The DOM can be navigated using a two-paned window displaying a variety of different views on the document and all nodes within.

Restart by Schuzak

Rated 5 out of 5 stars 107 reviews

54 users

"Restart" menu and button, with configurable shortcut key.

Private Tab by Infocatcher

Rated 5 out of 5 stars 312 reviews

74 users

Adds private tabs.

Old Default Image Style by Dagger

Rated 5 out of 5 stars 92 reviews

13 users

Restores the default image style used for top-level images in previous versions of Firefox.

Font Finder by Ben Dodson, Eric Caron, others

Rated 4 out of 5 stars 80 reviews

8 users

FontFinder is created for designers, developers and typographers. It allows a user to analyze the font information of any element on a page, copy any piece(s) of that information to the clipboard, and perform inline replacements to test new layouts.

about:addons-memory by Nils Maier

Download Now

Experimental

Rated 4 out of 5 stars 149 reviews

7 users

Adds an about:addons-memory page that details add-on memory usage

Scriptish by Erik Vold, Nils Maier, others

Rated 4 out of 5 stars 109 reviews

10 users

The greatest user script engine on the Internet (a fork of Greasemonkey).

Add-ons Manager Context Menu by Zulkarnain K.

Rated 5 out of 5 stars 49 reviews

24 users

Add more items to Add-ons Manager context menu.
  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
Results 1630 of 67

What are Collections?

Collections are groups of related add-ons that anyone can create and share.

Explore Collections