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Remote XUL Manager No Restart

Manages the Remote XUL whitelist to allow websites and local files to load XUL content.

Rated 5 out of 5 stars (34)
45,257 users

JSONovich No Restart

Pretty-prints JSON content in the browser for easy, unobtrusive viewing.

Rated 4 out of 5 stars (30)
10,008 users

Click-to-Play Manager No Restart

Manages the Click-to-Play domain whitelist.

Rated 5 out of 5 stars (9)
4,453 users

Copy As Plain Text

Removes formatting from copied text.

Rated 4 out of 5 stars (50)
24,597 users

MathML-fonts No Restart

Fonts for Mozilla's MathML engine.

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

Phony No Restart Featured

View mobile or desktop versions of sites, by impersonating other browsers' useragent headers.

Rated 4 out of 5 stars (80)
31,001 users

Console²

Console² (pronounced Console Squared or Console Two) replaces the JavaScript Console with what could be the next generation Error Console. From v0.5 includes the Console Filter extension previously available separately from the Console² website.

Rated 5 out of 5 stars (47)
11,986 users

Webpage Snapshot to Scrapbook

Create snapshots of webpages and upload them to a digital scrapbook for collection and to share with friends. A new way to bookmark useful web information!
Crop the area of the webpage that you need, upload and then annotate the image and save.

Rated 4 out of 5 stars (4)
1,642 users

Safe for Amoled No Restart

Darkens the background of the page

Rated 4 out of 5 stars (18)
2,509 users

Restartless Restart No Restart

This 15KB restartless add-on will add a "File" -> "Restart" menu item and a ctrl/cmd + alt + r hotkey to restart Firefox or Seamonkey.

Rated 5 out of 5 stars (179)
45,794 users

Extension Auto-Installer No Restart

Extension Auto-Installer is a helper for Firefox/SeaMonkey/Thunderbird extension developers: it allows automatically adding or updating browser extensions, e.g. via command line tools. This makes testing your changes easier.

Rated 5 out of 5 stars (12)
4,054 users

Network Preferences Add-on No Restart

Network Preferences add-on for Firefox for Android

Rated 3 out of 5 stars (7)
1,393 users

Lost in translation

For Google Translate only. Long click on "Translate": you will see
above
your text + its translation
and below
your text + its interpretation through double translation.

Hence the name: the comparison allows you to see what was lost in translation.

Not yet rated
1 user

Page Eaters

An in-browser game where you have to defend the web page from the page eating bugs.

Rated 3 out of 5 stars (1)
1 user

check-links No Restart

リンク先のファイルを調べる

Not yet rated
1 user

KaiRo.at Mandelbrot

Mandelbrot browser, based on high school final thesis work of Robert Kaiser, but completely rewritten

Rated 4 out of 5 stars (1)
813 users

Virtual Keyboard For Fennec

Virtual Keyboard Emulator For Fennec Desktop

Rated 5 out of 5 stars (1)
1 user

MuLTiFlow

A simple Rich Text Editor that support Maths and Graphics editing

Rated 3 out of 5 stars (1)
136 users

Touching is Good! No Restart

Allows Fennec to pass mouse events to web apps, allowing for interaction with sites that use drag and other mouse operations.

Rated 4 out of 5 stars (8)
2 users

Android Debug Bridge For Firefox No Restart

This addon adds some Android Debug Bridge access to Firefox. It requires access to the adb/adb.exe executable from the Android SDK.

Rated 5 out of 5 stars (1)
274 users