Console² Requires 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.
enlarging the navigation links on the pages
Pretty-prints JSON content in the browser for easy, unobtrusive viewing.
Reading List Requires Restart
Save pages for reading offline
DOM Inspector Plus! [dm] Requires Restart
Improved DOM Inspector! [dm version]. Box Model new layout & more data, see screenshot!. Horizontal scroll for Dom-Tree, and some more.
Inspects the structure and properties of a window and its contents.
Copy As Plain Text Requires Restart
Removes formatting from copied text.
Tamil to Sinhala Transliteration Requires Restart
Transliterate Tamil selected text in to Sinhalese. When click on that text full transliterated text display as popup.
Hold4Tab Requires Restart
Open a hyperlink in a new tab by pressing and holding a link.
Fastest Scroll In The West Requires Restart
Scroll quickly the page. For navigation in long or large pages.
This extension is one of the Firefox Mobile Add-on Challenge Winners!
Yummy Requires Restart
Add Feed support.
Fonts for Mozilla's MathML engine.
View mobile or desktop versions of sites, by impersonating other browsers' useragent headers.
Bigger Text Requires Restart Featured
Make fonts larger and more readable
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.
Darkens the background of the page
Use jike to search for everything,haha.
This addon adds some Android Debug Bridge access to Firefox. It requires access to the adb/adb.exe executable from the Android SDK.