Web Development

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Polarr Plugin: Edit Any Photo on the Internet No Restart

This extension allows bloggers, tech writers, web designers and developers to professionally edit any image on the internet by adding an elegant edit button on top of the image, which opens an editing session for the image in Polarr Photo Editor.

Rated 5 out of 5 stars (4)
1,237 users

Policy Control (noScript, noCSS, noMedia, ...) No Restart

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 (4)
1,943 users

Polopoly Article Edit

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
7 users

Polyglossum NET

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

Not yet rated
101 users

PopupSound

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)
180 users

Port Scanner

This extension scans the TCP ports.

Rated 4 out of 5 stars (1)
279 users

Poster

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)
46,997 users

PourBico

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)
527 users

POW -- Plain Old Webserver

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)
67 users

Power Debugger (Selenium IDE)

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

Rated 5 out of 5 stars (2)
7,244 users

pqp.vc

Encurte seu stress. E suas URLs.

Not yet rated
3 users

PrefBar

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)
15,781 users

Preferences in Tools Menu

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

Rated 4 out of 5 stars (3)
1 user

Preferences Monitor No Restart

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

Rated 4 out of 5 stars (40)
1,753 users

Prefix-Free Addon No Restart

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

Research the preferences listed in about:config via Google.

Rated 4 out of 5 stars (10)
177 users

PreviousPage

Shows previous page on the left side

Rated 4 out of 5 stars (2)
16 users

Print Hint

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

Rated 4 out of 5 stars (16)
672 users

Print Preview Button

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)
3,684 users

Privacy +

Better Protection. Did you know that web sites use Flash to track you with Flash based cookies?
Privacy Plus will add a simple checkbox in the [Clear Recent History] dialog that will allow you to delete these cookies (Flash LSO) anytime you like.

Rated 4 out of 5 stars (23)
360 users