Web and Developer Tools

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Click-to-Play Manager

Manages the Click-to-Play domain whitelist.

Rated 4 out of 5 stars (14)
5 users

ExtExp Requires Restart

Export your extensions!

Not yet rated
5 users

Stylish Sync

Sync engine for Stylish with backup / restore facility.

Rated 5 out of 5 stars (31)
4 users

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)
4 users

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
4 users

Stylish Tools Requires Restart

Quicker access to several Stylish features through a toolbar button and/or keyboard shortcuts. Available for Firefox, Thunderbird, and SeaMonkey

Rated 4 out of 5 stars (3)
4 users

IP Flager

Shows country flag for the website in the location bar.

Rated 5 out of 5 stars (4)
3 users

about:addons-memory 2016

Adds a new page that shows add-on memory usage

Rated 5 out of 5 stars (40)
3 users

Re-Pagination

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

Rated 4 out of 5 stars (52)
3 users

RequestPolicy v0.5 Legacy Requires Restart

Be in control of which cross-site requests are allowed. Improve the privacy of your browsing by not letting other sites know your browsing habits. Secure yourself from Cross-Site Request Forgery (CSRF) and other attacks.

Rated 3 out of 5 stars (6)
3 users

printplus Requires Restart

PDF export support by Gecko.
https://github.com/hATrayflood/printplus

Rated 4 out of 5 stars (7)
2 users

Cookie Exporter Requires Restart

Exports all cookies in IE manner.
Makes a Netscape standard cookies.txt file.
Very useful for WGET --load-cookies option.

Rated 4 out of 5 stars (14)
2 users

Proxy Tool Requires Restart

Proxy Tool - Powerful, yet User-friendly proxy tool to manage your proxies and anonymity needs, including: 46M+ user agents (world's largest), 10 different spoofed HTTP referrers, auto-proxy rotation, plus many more. Developed by http://ProxyList.co

Rated 3 out of 5 stars (49)
2 users

jQuery Requires Restart

jQuery and jQuery UI embedded in browser

Rated 4 out of 5 stars (7)
2 users

Android Debug Bridge For Firefox

This addon adds some Android Debug Bridge access to Firefox. It requires access to the adb/adb.exe executable from the Android SDK.

Rated 5 out of 5 stars (1)
1 user

Rainbowpicker Requires Restart

Pick any color of the...

Rated 4 out of 5 stars (18)
1 user

SQL Cardfile Requires Restart

A simple card file database using SQLite as the backend.

Not yet rated
1 user

Web Server Check Tool Requires Restart

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

Not yet rated
1 user

Cookie Importer Requires Restart

Imports cookies from a textfile.
Reads Netscape standard cookies.txt files as exported by IE and others.
Very useful in combination with the Cookie Exporter add-on.

Rated 4 out of 5 stars (46)
1 user

XML Digital Signature Tool Requires Restart

XML Digital Signature Tool is a Firefox add-on for processing Digital Signature in XML documents
(Please read the installation instruction in the "Developer Comments" section before downloading)

Rated 5 out of 5 stars (4)
1 user