Quickly and easily switch between popular user-agent strings.
window.crypto.signText replacement plus enhancements
Hackbar. Requires Restart
FlashFirebug Requires Restart
Debug Flash/SWF files on the web. Edit properties and inspect elements on the fly. View log output inside the extension. Run AS3 code against the active SWF. Access assets with the Explorer. (NOW SUCCEEDED BY FLASH DEBUGGER. CHECK ADDON DESCRIPTION)
Zoom in or out on web content using the zoom button for more comfortable reading.
A reference for the codes to generate Emojis on popular sites like GitHub or Basecamp and Unicode characters for Twitter and Facebook.
Search Emojis by name or view recently selected items. Emojis are automatically copied to the clipboard.
View HTTP headers of a page and while browsing.
This is an unofficial "Live HTTP headers" clone, mainly to fix the Replay feature!
DevTools for Redux with actions history, undo and replay.
Evaluate web accessibility within the Firefox browser. When activated, the WAVE extension injects icons and indicators into your page to give feedback about accessibility and to facilitate manual evaluation.
Parses the WSDL files and generates SOAP messages for you.
Easily override the browser's User-Agent string
Selenium IDE: Screen Capture Extension Requires Restart
Extension to Selenium IDE for various screen capture capabilities.
CodeBurner for Firebug Requires Restart
CodeBurner is a Firefox add-on that integrates with Firebug, to extend it with reference material for HTML and CSS.
Take Screenshots, Screen Grab with Online Upload Requires Restart
Capture screen grabs aka screen shots and instantly upload online to ImageBam for easy online sharing and storage.
Open current page or link in tor browser for better privacy
Image Zoom (ugly fixes) Requires Restart
An ugly attempt at fixing Image Zoom
A sync-able open-source two-factor authenticator
A Statusbar with speed, percentage, time and loaded size (similar to Opera's one)
Modify Headers Requires Restart
Add, modify and filter the HTTP request headers sent to web servers. This addon is particularly useful for Mobile web development, HTTP testing and privacy.
Remove all the cookies just by clicking a button on a toolbar! Simple as that!