OpenWith Requires Restart
Are you tired of over and over again looking for all the html/php/js-files you are working on in your web application? Then this add-on can help you and save loads of time by launching the files in your editor for you. Just select and launch...
OperaView Requires Restart
Open pages in Opera from Firefox context menus. Very usefull for web developers!
This extension disables Optimizely for the tab you are browsing, via a switch.
Looks up the origin AS (Autonomous System) for the current Website.
It will insert a small box with the infos on the bottom right corner. You can double click it to let it disappear until the next page load.
A source viewer that enables you to view not only page's HTML source but also style sheets and scripts. It uses Prism syntax highlighter and it can beautify(unminify) the source code.
Proof of concept for reading articles without login
Override User Agent allows to override the default string of the User-Agent in the toolbar, the changes affect only the current domain.
Page Coverage (Selenium IDE) Requires Restart
A plugin for Selenium-IDE to generate page coverage reports highlighting areas of a web page touched by the Selenese test cases / test suites.
Show the page's bookmark counts for Hatena Bookmark. And jump to the detail page. This is *not* official one.
Page Hacker Revived Requires Restart
Adds a toolbar to edit and format the current page
Page Info Forms and Links Requires Restart
Adds forms and links tabs to page info dialog like at Firefox 2.0.
Page Meta Manager Requires Restart
Extension for code analysis page (meta tags) and display the menu to work on them.
Get accurate performance timing for any page with this extension
Page Rank by GoingUp! Requires Restart
Easy, reliable, and unobtrusive viewing of Google page rank in your browser window.
Page Rank Checker Requires Restart
Page Rank Checker: Check Google Page Rank in live mode
A lightweight ruler to measure web page elements.
Page size checker Requires Restart
This add-on will check the page size. If you specify a page size exceeds the warning alert dialog.
Page Source Requires Restart
Page Source places an add-on bar button that open the Page Source qucikly.
Page Update Checker Requires Restart
Tired of clicking the reload button?...