Copy Pure Text Requires Restart
Allows to copy selected text as plain text by adding a 'Copy as Text' menu item to context menu.
WebSocket monitor is an extension for Firefox developer tools that can be used to monitor WebSocket connections in Firefox. It allows to inspect all data sent and received.
Live HTTP Headers (Fixed By ITWorld.com.pk) Requires Restart
View HTTP headers of a page and while browsing.
Live HTTP Header Fix By Danyial ITs Working On Firefox Again Fixed Reply Problem
Color Management Requires Restart
Provides a GUI front end for enabling color management in Firefox and Songbird.
Adds a new page that shows add-on memory usage
Remove all the cookies just by clicking a button on a toolbar! Simple as that!
"Hide Scrollbars" add-on removes scrollbars for those who prefer mouse wheel and keyboard navigation.
BetterPrivacy-signed Requires Restart Featured
Control a new, trickier kind of cookie, better known as an LSO or Flash cookie. The BetterPrivacy safeguard offers various ways to handle Flash-cookies created by webpages with the help of your Flash plug-in...
iMacros for Firefox Featured
Automate Firefox. Record and replay repetitive tasks. If you're tired of manually visiting the same sites, filling out forms, downloading files and extracting data, then iMacros is for you! Save time, effort and money with iMacros browser automation!
Hide My IP VPN is number one tool for hiding your IP and unblocking any web site!
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.
Explore fonts within a website, try and buy them !
An addon to invert the color of any webpage/website, making contents of any website readable and less stressful on your eyes if you are surfing internet in dark lit room. After installing addon, just right-click & select 'Night Mode On'
Render AsciiDoc (.ad, .adoc, .asciidoc) as HTML inside Firefox!
FillForms Requires Restart
FillForm is a small extension to help you fill page forms.
Fill out current web all forms with a keyboard shortcut(Alt + Q).
Control http request referrer
Track your Firefox's (about:config) preferences for unwanted changes.
Clear file cache easy and quickly from Tools Menu
Debug Flash/SWF/Flex 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, profile memory consumption and much much more...