Add-ons
Web and Developer Tools
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User Agent Changer
Requires Restart
Adds a menu and a toolbar button to change the user agent of a browser.
View Source
Key Manager
Requires Restart
KeyManager Tool: Firefox Add-on for Key Generation, Certificate Enrollment, CRL Signing, and Identity and Authority Delegation
RequestPolicy Continued
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.
Copy Pure Text
Requires Restart
Allows to copy selected text as plain text by adding a 'Copy as Text' menu item to context menu.
jQuery
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.
bbeContainer
Requires Restart
an extension that allows users to edit local files with browser-based editors.
RequestPolicy
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.
MR Tech Link Wrapper Lite
Requires Restart
Wraps long links and lines to spare you from having to scroll left and right...
InspectorWidget
Requires Restart
Adds toolbar button and context menus for invoking the DOM Inspector (DOMi) for either chrome or content elements.
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
Stylish Tools
Requires Restart
Quicker access to several Stylish features through a toolbar button and/or keyboard shortcuts. Available for Firefox, Thunderbird, and SeaMonkey
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