Fight the text ads! Element Hiding Helper is a companion extension for Adblock Plus meant to make creating element hiding rules easier.
Console² Requires Restart
Link Properties Plus Requires Restart
Provides extended link properties: size of linked file, last modified time, etc.
Stacked Inspector Requires Restart
Switch DOM Inspector to an over/under vertical layout instead of the usual side-by-side panel layout.
Extended Link Properties + (obsolete) Requires Restart
This application extends the Link Properties and displays File Size, Last Modified Date, Content Type and HTTP Header of a link...
Warning: developing discontinued, see least
Dafizilla Table2Clipboard Requires Restart
Mozilla applications allow to select rows and columns from a table simply pressing Control key and picking rows/columns with left mouse button.
The selection can be copied to clipboard but the original table disposition is lost making ugly results wh...
InspectorWidget Requires Restart
Adds toolbar button and context menus for invoking the DOM Inspector (DOMi) for either chrome or content elements.
Manages the Remote XUL whitelist to allow websites and local files to load XUL content. For versions compatible with Firefox 41 and lower, see All Versions page below.
Sync engine for Stylish with backup / restore facility.
DOM Inspector Requires Restart
DOM Inspector is a tool that can be used to inspect and edit the live DOM of any web document or XUL application. The DOM can be navigated using a two-paned window displaying a variety of different views on the document and all nodes within.
In the DOM Inspector,quickly navigate to the any elements
Search IP Requires Restart
This plugin adds three links to Firefox's context menu that lookup the selected IP address at Project Honey Pot, Utrace, spamhaus, senderbase,...
Shows source comments for advanced application preferences in about:config
Adds a new page that shows add-on memory usage
Linkification Requires Restart
Converts text links into genuine, clickable links...
Fetch Text URL (fix version) Requires Restart
Open text URLs from the context menu.
Live HTTP Headers Requires Restart
View HTTP headers of a page and while browsing.
HttpFox Requires Restart
An HTTP analyzer addon for Firefox
Execute JS Requires Restart
Leet Key Requires Restart
Transforms typed or static text to L337, ROT13, BASE64, HEX, URL, BIN, DES, AES, Morse code, DVORAK keyboard layout and to lower/to upper case functionality, Leet Font...