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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

Not yet rated
10 users
Updated Aug. 5, 2016

DevPrefs

Automatically sets all preferences for Firefox addon developer production environment.

Not yet rated
0 users
Updated Aug. 4, 2016

Re-Pagination

See more search results etc. on one page, concatenating several pages together...

Rated 4 out of 5 stars (52)
5 users
Updated Aug. 4, 2016

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.

Rated 5 out of 5 stars (36)
19 users
Updated July 23, 2016

Click-to-Play Manager

Manages the Click-to-Play domain whitelist.

Rated 4 out of 5 stars (14)
8 users
Updated July 23, 2016

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!

Rated 4 out of 5 stars (17)
6 users
Updated July 16, 2016

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.

Rated 4 out of 5 stars (162)
7 users
Updated May 3, 2016

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.

Rated 4 out of 5 stars (207)
3 users
Updated May 2, 2016

about:addons-memory 2016

Adds a new page that shows add-on memory usage

Rated 5 out of 5 stars (40)
6 users
Updated May 1, 2016

Web Server Check Tool Requires Restart

A tool to perform basic checks on web and DAV servers.

Not yet rated
5 users
Updated April 18, 2016

Custom Buttons Requires Restart

Gives a possibility to create custom toolbarbuttons...

Rated 4 out of 5 stars (125)
103 users
Updated March 21, 2016

BrightSide XUL Installer

Automatically installs a set of domains to the Remote XUL whitelist.

Not yet rated
1 user
Updated Jan. 27, 2016

GitHub Extension Installer

Install Browser Extensions straight from GitHub Repositories

Rated 4 out of 5 stars (24)
4 users
Updated Dec. 7, 2015

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,...

Rated 5 out of 5 stars (4)
5 users
Updated Nov. 27, 2015

TreeStat Requires Restart

Display the open/closed status of Mozilla's trees

Not yet rated
1 user
Updated Oct. 22, 2015

Right Encoding Requires Restart

Adds the Character Encoding menu to the context menu

Rated 4 out of 5 stars (18)
61 users
Updated Sept. 14, 2015

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

Rated 4 out of 5 stars (6)
0 users
Updated Aug. 31, 2015

Fetch Text URL (fix version) Requires Restart

Open text URLs from the context menu.

Rated 5 out of 5 stars (7)
5 users
Updated Aug. 10, 2015

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.

Rated 5 out of 5 stars (78)
26,247 users
Updated July 9, 2015

Zing! Locale Switcher

Want to change from one language to another? Zing! and the locale is switched.

Rated 5 out of 5 stars (2)
1 user
Updated July 7, 2015