Reopen last closed tab Requires Restart
Reopen one last closed tab. Press and hold the NEW TAB button until the tab re-opens.
Page Eaters Requires Restart
An in-browser game where you have to defend the web page from the page eating bugs.
Reading List Requires Restart
Save pages for reading offline
This addon adds some Android Debug Bridge access to Firefox. It requires access to the adb/adb.exe executable from the Android SDK.
Lost in translation Requires Restart
For Google Translate only. Long click on "Translate": you will see
your text + its translation
your text + its interpretation through double translation.
Hence the name: the comparison allows you to see what was lost in translation.
Virtual Keyboard For Fennec Requires Restart
Virtual Keyboard Emulator For Fennec Desktop
Cookie preferences and prompter for Firefox for Android
Delete all cookies when you close Firefox Mobile.
View mobile or desktop versions of sites, by impersonating other browsers' useragent headers.
Darkens the background of the page
Fonts for Mozilla's MathML engine.
Webpage Snapshot to Scrapbook Requires Restart
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.
This 15KB restartless add-on will add a "File" -> "Restart" menu item and a ctrl/cmd + alt + r hotkey to restart Firefox or Seamonkey.
Copy As Plain Text Requires Restart
Removes formatting from copied text.
Console² Requires Restart