Allows developers to put a semi-transparent image overlay over the top of the developed HTML and perform per pixel comparison between them. Works with both Dev Tools and Firebug
Firefox version of PerfectPixel for Chrome with 100 000+ active users
Displays extensions and tabs CPU and memory usage
Get insight into the performance of the website in the current tab - sort of a mini live version of WebPageTest.
PerformanceTest Requires Restart
PerformanceTest is a Firefox Addon to test the Firefox load time.
Permanent URL Requires Restart
Zweite (mehrzeilige) Adresszeile, welche sich nicht durch Weiterleitungen beeinflussen lässt. Hierdurch ist es einfacher möglich, Penetrationstests anzuwenden, welche z.B. XSS- oder SQL-Injections abdecken.
Personas Interactive Theme Engine Requires Restart
Created by http://BrandThunder.com where you can Build Your Own Browser Theme. Remove the limits of Personas. Get unlimited Personas, legible text; use with Firefox themes installed. Create your own Personas gallery; full CSS3 backgrounds, and more
Pertinkina - (C) Visuddhi Requires Restart
With Pertinkina you can see two different website in just one tab...
Cascading Style Sheets can be tricky. Placing an outline on every element can help you figure out what is going on.
This extension inserts the Pesticide CSS into the current page, outlining each element to better see placement on the page.
Firefox add-on support for Signing documents digitally in PEXA.
PhishTank SiteChecker Requires Restart
PhishTank SiteChecker gives Firefox users a way to bring the community judgment of PhishTank (http://www.phishtank.com/) into their favorite browser, for extra protection against phishing...
Phoenix Requires Restart
photofoxx Requires Restart
Ever had to edit a photo while working on a design and wished you had a handy photo editor right there, without having to open an extra desktop application? Here is PhotoFoxx!. Just click on the toolbar icon and start editing your photos.
PHP Developer Toolbar Requires Restart
Stop searching at PHP.net to simply remember some function signature. With this addon you can search functions quickly for the official function description directly into your browser without a new tab.
Plus, many tools to help PHP developers.
a helper of PHP function cache tool
phplangeditor Requires Restart
GUI for translation of language files of your PHP scripts. By language file I mean files containing all translated strings of your script...
phpMyAdmin Timeout Preventer Requires Restart
A small, simple extension which prevents against phpMyAdmin's session timeouts.
phpMyAdminTools Requires Restart
phpMyAdminTools - Advanced phpMyAdmin Tools