Web and Developer Tools
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BrightSide XUL Installer
Automatically installs a set of domains to the Remote XUL whitelist.
User Agent Changer Requires Restart
Adds a menu and a toolbar button to change the user agent of a browser.
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.
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.
Copy Pure Text Requires Restart
Allows to copy selected text as plain text by adding a 'Copy as Text' menu item to context menu.
InspectorWidget Requires Restart
Adds toolbar button and context menus for invoking the DOM Inspector (DOMi) for either chrome or content elements.
ksbtechies
Displays latest ksbtehchies News in a popup widget
Get all the Latest ksbtehchies News headline with a single click.
Opens a popup widget with the latest news headlines.
Stylish Tools Requires Restart
Quicker access to several Stylish features through a toolbar button and/or keyboard shortcuts. Available for Firefox, Thunderbird, and SeaMonkey
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...
Composer Open In Requires Restart
Adds a toolbar button to Composer to open the current file in another editor or browser.
To create your own collections, you must have a Mozilla Add-ons account.