Web Development

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Policy Control (noScript, noCSS, noMedia, ...)

This extension helps you quickly disable and enable different types of resources such as JavaScript, CSS, and Media. The extension can be used to increase privacy as well as saving bandwidth by blocking unwanted contents.

Rated 4 out of 5 stars (5)
1,892 users

Polopoly Article Edit Requires Restart

Adds an edit button to every article on the University of Edinburgh's Polopoly live website. Simply browse and click to edit your Polopoly articles. You must have the relevant permissions to edit the content.

Not yet rated
5 users

Polyglossum NET Requires Restart

This add-on allow to popup window with Polyglossum and send it command dictionary to find the word selected in browser.

Not yet rated
78 users

PopupSound Requires Restart

Plays a sound when a pop-up window is blocked. You can also configure a sound for other events such as clicking on a link or downloading a file. You can specify your own sounds in the configuration...

Rated 4 out of 5 stars (42)
149 users

Port Scanner Requires Restart

This extension scans the TCP ports.

Rated 4 out of 5 stars (1)
278 users

Poster Requires Restart

A developer tool for interacting with web services and other web resources that lets you make HTTP requests, set the entity body, and content type. This allows you to interact with web services and inspect the results...

Rated 4 out of 5 stars (62)
43,236 users

PourBico Requires Restart

Speed up your testing and debugging times with PourBico. By intercepting HTTP requests, PourBico allows you to modify each response (headers and body) via inline edits or by replacing resources with local or external ones.

Rated 5 out of 5 stars (5)
544 users

POW -- Plain Old Webserver Requires Restart

Turn the web on its head with the Plain Old Webserver (POW), which adds a server to your browser.

Rated 5 out of 5 stars (17)
60 users

Power Debugger (Selenium IDE) Requires Restart

A plugin for Selenium-IDE to improve debugging and troubleshooting issues with scripts

Rated 5 out of 5 stars (2)
6,745 users

pqp.vc Requires Restart

Encurte seu stress. E suas URLs.

Not yet rated
3 users

pr-reactions

Adds pull request reactions to the pull request list on github.com

Not yet rated
1 user

PrefBar Requires Restart

The all in one toolbar(item). Houses and manages bigger amounts of buttons (Clear Cache, Clear Cookies, ...), Menus (User Agent spoof...) and checkboxes (Javascript, Flash, ...). Extensible from online-database or with self created buttons.

Rated 5 out of 5 stars (39)
14,960 users

Preferences in Tools Menu Requires Restart

Adds the Preferences item back to the Tools Menu...

Rated 4 out of 5 stars (3)
1 user

Preferences Monitor

Track your Firefox's (about:config) preferences for unwanted changes.

Rated 4 out of 5 stars (41)
1,722 users

Prefix-Free Addon

This addon makes use of PrefixFree (http://leaverou.github.com/prefixfree/) to make any page's CSS3 work with your browser. This is especially useful when a site only uses selectors with browser prefixes not targeting your own browser.

Not yet rated
5 users

Prefsearch Requires Restart

Research the preferences listed in about:config via Google.

Rated 4 out of 5 stars (10)
179 users

PreviousPage Requires Restart

Shows previous page on the left side

Rated 4 out of 5 stars (2)
13 users

Print for Firefox

Print the current page you see.

Not yet rated
9 users

Print Hint Requires Restart

This extension helps you to quickly find printer-friendly versions of webpages. ...

Rated 4 out of 5 stars (16)
631 users

Print Preview Button Requires Restart

Adds a print preview toolbar button. After installing the extension, find the print preview button in the toolbar customization...
Print Preview in Firefox only available in Windows

Rated 5 out of 5 stars (7)
3,501 users