Web and Developer Tools
Stylish Tools Requires Restart
Quicker access to several Stylish features through a toolbar button and/or keyboard shortcuts. Available for Firefox, Thunderbird, and SeaMonkey
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
Reload page without using content stored in the browser cache to make sure you get any updates.
MR Tech About:About Requires Restart
Adds the following "about:" options to the Help menu
This addon adds some Android Debug Bridge access to Firefox. It requires access to the adb/adb.exe executable from the Android SDK.
foxmeter Requires Restart
An HTTP analyzer addon for Firefox, fork from HttpFox with features like: summary by host, and more coming soon
Key Manager Requires Restart
KeyManager Tool: Firefox Add-on for Key Generation, Certificate Enrollment, CRL Signing, and Identity and Authority Delegation
This add-on is not compatible with your version of SeaMonkey because of the following:
- Add-on uses binary components.
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.
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.
Sidebar Add Custom Tab Requires Restart
Adds an 'add custom tab' option to the Tabs drop-down menu of SeaMonkey's sidebar.
SeaMonkey Debug and QA UI Requires Restart
Provides Additional Debug and QA UI for SeaMonkey development and testing.
No More .org prevents Firefox from loading websites with .org in the URL. This add-on was made for testing in Firefox
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 +
PreviousPage Requires Restart
Shows previous page in the sidebar.
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.
A full featured color selector tool, to work with colors, and easily find the colors you want.
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.
Addons Memory Usage - Button Requires Restart
Add toolbar button for about-addons-memory-pm
But not only, also provide shortcuts for :
- Free Memory (needs free memory button)
- Abouts list page (about:about)
- Plugins page (about:plugins)
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