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Zing! Locale Switcher

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

Rated 5 out of 5 stars (1)
311 users

foxmeter Requires Restart

An HTTP analyzer addon for Firefox, fork from HttpFox with features like: summary by host, and more coming soon

Rated 5 out of 5 stars (1)
160 users

Key Manager Requires Restart

KeyManager Tool: Firefox Add-on for Key Generation, Certificate Enrollment, CRL Signing, and Identity and Authority Delegation

Rated 3 out of 5 stars (21)
784 users

ShowIP Requires Restart

Show the IP address of the current page in the status bar. It also allows querying custom information services by IP (right click) and see location and avaiable vouchers for shopping sites. Additionally you can copy the IP address to the clipboard.

Rated 3 out of 5 stars (286)
43,655 users

IE Tab + (FF 8+, 7, 6, 5, 4, 3.6, 3.5, SeaMonkey) Requires Restart

IE Tab + is an enhanced version of IE Tab. It supports FF 3.5 or greater, integrates IE Tab with Adblock Plus in the IE Tab engine, and synchronizes cookies between IE and Firefox. You can easily import settings from the original IE Tab into IE Tab +

Rated 3 out of 5 stars (87)
81,339 users

Modify HTTP Response

Rewrite http response body using search & replace patterns

Rated 5 out of 5 stars (1)
702 users

SeaMonkey Debug and QA UI Requires Restart

Provides Additional Debug and QA UI for SeaMonkey development and testing.

Rated 5 out of 5 stars (1)
480 users

No More .org

No More .org prevents Firefox from loading websites with .org in the URL. This add-on was made for testing in Firefox

Rated 3 out of 5 stars (3)
1 user

Whois Lookup & Hosting & DNS & Site Flags Firefox Requires Restart

IP Whois Lookup & Website Reviews & Rating. Display country flag indicating website location. Alexa and Norton Antivirus Site Adviser. Supported: GoDaddy, NetworkSolutions, Dotster, 1and1, NameCheap, Register, Yahoo, 123-Reg, FatCow, Enom, FastHosts.

Rated 3 out of 5 stars (9)
6,078 users

Clear Cache and Data

Clears the browser cache and other selected storage.

Rated 3 out of 5 stars (3)
3,776 users

PreviousPage Requires Restart

Shows previous page on the left side

Rated 4 out of 5 stars (2)
7 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 (5)
1,549 users

Image Zoom (ugly fixes) Requires Restart

A lazy fixing of Image Zoom

Rated 3 out of 5 stars (3)
402 users

Sharp Color Picker

A full featured color selector tool, to work with colors, and easily find the colors you want.

Rated 4 out of 5 stars (1)
2,071 users

Reload Skip Cache Button

Reload page without using content stored in the browser cache to make sure you get any updates.

Rated 3 out of 5 stars (2)
745 users

Relaxed the HTML Validator Requires Restart

"Relaxed" is a HTML validator which validates HTML documents using it's own schema definitions written in Relax NG with embedded Schematron patterns.

Rated 2 out of 5 stars (4)
32 users

PhishTank SiteChecker Classic Mod Requires Restart

PhishTank SiteChecker is an advanced Phishing Protection extension that uses data from PhishTank.com to determine if a site is a phishing site or not. If it is, it will block the site and protect you from the site

Rated 2 out of 5 stars (2)
1 user

MR Tech Link Wrapper Lite Requires Restart

Wraps long links and lines to spare you from having to scroll left and right...

Rated 1 out of 5 stars (1)
8 users

sepsis-console (Deprecated) Requires Restart

THIS VERSION IS DEPRECATED. Use https://addons.mozilla.org/en-US/developers/addon/sepsis-console instead. See the description below.

sepsis-console is a general-purpose JavaScript console for all Mozilla toolkit applications.

Not yet rated
2 users

Google Redesigned 2 Requires Restart

Ported version from Firefox to be compatible with Seamonkey 2.

A complete redesign of popular Google services, Google Redesigned changes the appearance of popular Google services.

Not yet rated
7 users