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ACColorPicker
A full featured color selector tool, to work with colors, and easily find the colors you want.
很方便色取色器,可以页面上直接取色,然后再对颜色进行进一步的调整
DevPrefs
Automatically sets all preferences for Firefox addon developer production environment.
Re-Pagination
See more search results etc. on one page, concatenating several pages together...
Remote XUL Manager
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.
Live HTTP Headers (clone)
View HTTP headers of a page and while browsing.
This is an unofficial "Live HTTP headers" clone, mainly to fix the Replay feature!
URL Fixer
URL Fixer fixes common typos in URLs entered in the address bar. It will fix errors like "google.con" or "youtube,com". You have the option of being asked to confirm corrections before they are applied.
Fire IE (FireIE, Enhanced IE) Requires Restart
Embeds Internet Explorer(IE) to use the powerful Firefox add-ons.
Not only an enhanced IE Tab, but also an enhanced Internet Explorer with Adblock Plus and FireGestures support.
Switch to the IE engine in one click and dismiss your IE.
Web Server Check Tool Requires Restart
A tool to perform basic checks on web and DAV servers.
Custom Buttons Requires Restart
Gives a possibility to create custom toolbarbuttons...
BrightSide XUL Installer
Automatically installs a set of domains to the Remote XUL whitelist.
GitHub Extension Installer
Install Browser Extensions straight from GitHub Repositories
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,...
TreeStat Requires Restart
Display the open/closed status of Mozilla's trees
Right Encoding Requires Restart
Adds the Character Encoding menu to the context menu
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
Fetch Text URL (fix version) Requires Restart
Open text URLs from the context menu.
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.
Zing! Locale Switcher
Want to change from one language to another? Zing! and the locale is switched.
To create your own collections, you must have a Mozilla Add-ons account.