Up & Coming Extensions

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IMDb Preview

Preview movie & actor posters when hovering over their IMDb links. Also integrates MyMovies to the movie page.

Rated 4 out of 5 stars (32)
1,895 users

Hide My Ass! IP Checker

Easily check your IP address with one simple click

Rated 3 out of 5 stars (4)
2,751 users

View Source

Shows all source files of a webpage.

Rated 4 out of 5 stars (5)
1,342 users

Is It Compatible?

**Notice: This addon is no longer maintained.** Are your addons compatible with the next version of Firefox? Find out straight from the Addons window! **Version 0.6.0 is available from the Versions page, it was never approved by AMO**

Rated 4 out of 5 stars (41)
2,626 users

Microsoft .NET Framework Assistant

Adds ClickOnce support and the ability to report installed .NET versions to the web server.

Rated 2 out of 5 stars (126)
2,136,741 users

FindBar Tweak No Restart Featured

Anything between simple tweaks such as placing the findbar in the top corner, to the powerful "Find in All Tabs" tool, FindBar Tweak will make your find toolbar "just right"!

Rated 5 out of 5 stars (206)
28,738 users

Space Next

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

Rated 5 out of 5 stars (39)
5,054 users

Foxy SEO Tool

Foxy SEO Tool offers tools for search engine optimization (SEO), web traffic and page analysis for webmasters and web professionals.

Rated 5 out of 5 stars (19)
5,425 users

Youtube HTML5 Video Player No Restart

Youtube video player stucks a lot, this basic video player sucks less

Rated 4 out of 5 stars (14)
20,497 users

YouTube to MP3

Adds links to convert and download Youtube, MyVideo, Clipfish, Sevenload, Dailymotion, MySpace videos as MP3 files. Visit our site: http://www.video2mp3.net for more information

Rated 3 out of 5 stars (304)
189,152 users

GlassMyFox No Restart

Glass your Firefox gui with GlassMyFox (only possible on Windows 7 and Vista when AeroGlass is enabled). See instructions inside add-on description how to enable Glass on Windows 8.

Rated 5 out of 5 stars (134)
14,746 users

Color Pickers No Restart

Pick Color with various kinds of color pickers. Multiple options to choose color in HTML format are available.

Not yet rated
1,021 users

Youtube to MP3 Converter - High Quality MP3 it

Youtube to MP3 Converter which places an "MP3 it" Button on Youtube Video Pages.

With Just One Click, A New Tab Loads without Disruption of your viewing Experience Where you can Downloaded your Converted 256k MP3 File.

Rated 2 out of 5 stars (29)
50,062 users

Free Visio Viewer (Mac, Windows, Linux) No Restart

Free Visio Viewer by Lucidchart enables Firefox users to open Microsoft Visio files attached to their email (Gmail / Google Apps) or posted on a website. No sign-up required to open a read-only version.

Rated 3 out of 5 stars (11)
9,567 users

Free Proxy List No Restart

Is a easy way to use proxies in firefox from Proxy List site.
You will have just to click a button to setup the proxy in your browser.
ProxyList.ro tool for changing proxies.

Rated 4 out of 5 stars (11)
2,638 users

Tab Scope Tweaker No Restart

Some tweaks for Tab Scope extension

Rated 5 out of 5 stars (3)
1,249 users

Html Validator

HTML Validator is a Mozilla extension that adds HTML validation inside Firefox and Mozilla. The number of errors of a HTML page is seen on the form of an icon

For Firefox 23+, you need 0.958 (under review)
http://users.skynet.be/mgueury/mozilla

Rated 5 out of 5 stars (196)
72,376 users

PasswordMaker

One Password To Rule Them All!

Rated 4 out of 5 stars (53)
3,744 users

Private Browsing Proxy No Restart

Automatically switches to the specified proxy type or configuration profile when entering Private Browsing. Reverts to previous setting when all PB windows are closed.

Not yet rated
1,364 users

FoxAmp

Control Winamp 2.x or 5.x from the status bar in Firefox

Rated 4 out of 5 stars (23)
1,650 users