My Favorite Add-ons

by morihiro

326 Add-ons in this Collection

Firefox OS 1.1 Simulator by Myk Melez, J. Ryan Stinnett

Firefox OS Simulator is a test environment for Firefox OS. Use it to test your apps in a Firefox OS-like environment that looks and feels like a mobile phone. After installing it, go to Web Developer > Firefox OS Simulator to access its features.

Private Tab by Infocatcher

Rated 5 out of 5 stars 181 reviews

75,236 users

Adds private tabs.

Flash Block Plus by AdblockLite

Rated 3 out of 5 stars 5 reviews

5,243 users

Provides control over Flash contents

User-Agent Switcher by Linder

Rated 4 out of 5 stars 6 reviews

12,414 users

Quickly and easily switch between popular user-agent strings.

YouTube HD Plus by Maxime RF

Rated 5 out of 5 stars 12 reviews

39,003 users

Automatically play YouTube videos in HD or any other preferred format, and disable autoplay for videos loaded in background tabs.

Simple Youtube HTML5 Video Player by lejenome

Rated 4 out of 5 stars 18 reviews

18,623 users

YouTube video player sucks a lot, this basic video player sucks less

NOTE: this extension will be deprecated in favor of "HTML5 Video EveryWhere" extension

Fastest Weather Forecast by Sarah Av.

Rated 4 out of 5 stars 53 reviews

44,492 users

Fastest Weather Forecast is the easiest way to check the weather while you browse internet

Empty Cache Button by mvm

Rated 4 out of 5 stars 80 reviews

69,316 users

Cache clearing made easy. One click.

PDF Viewer by Mozilla Labs

Download Now


Rated 4 out of 5 stars 262 reviews

134,013 users

PDF.js brings Portable Document Format (PDF) reading capabilities to your browser using web standard technologies.

Please report issues to:

Forecastfox (fix version) by Oleksandr

Rated 5 out of 5 stars 117 reviews

22,016 users

Get international weather forecasts from and display them in any toolbar or statusbar with this highly customizable and unobtrusive extension.

RefControl by James Abbatiello

Rated 4 out of 5 stars 177 reviews

78,399 users

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

Toolbar Buttons by Michael B.

Rated 4 out of 5 stars 315 reviews

141,480 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.

Tile Tabs by DW-dev

Rated 5 out of 5 stars 218 reviews

74,646 users

Displays tabs in tiled layouts in Firefox. Arrange tiles horizontally, vertically or in a grid. Resize tiles by dragging splitter bars. Tabs and links can be dragged to open in other tiles. Supports multiple tiled layouts. Works with tab groups.

Disable WebRTC by Chris Antaki

Rated 4 out of 5 stars 17 reviews

10,852 users

WebRTC exposes your internal network IP(s), without user interaction.

Add to Search Bar by Dr. Evil

Rated 5 out of 5 stars 595 reviews

94,574 users

Make any pages' search functionality available in the Search Bar (or "search box")...
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