Web Development

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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)
49,386 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)
643 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)
56 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)
7,501 users

pqp.vc Requires Restart

Encurte seu stress. E suas URLs.

Not yet rated
1 user

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 (40)
16,722 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)
1,649 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
8 users

Prefsearch Requires Restart

Research the preferences listed in about:config via Google.

Rated 4 out of 5 stars (10)
163 users

PreviousPage Requires Restart

Shows previous page in the sidebar.

Rated 4 out of 5 stars (2)
9 users

Print for Firefox

Print the current page you see.

Rated 5 out of 5 stars (1)
414 users

Print Hint Requires Restart

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

Rated 4 out of 5 stars (16)
639 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 (9)
3,838 users

Privacy + Requires Restart

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)
309 users

Process Toggle

Toolbar panel for restarting the application with(out) multiple processes and for changing the maximum number of content processes (this requires Firefox 49 or newer).

Rated 5 out of 5 stars (5)
110 users

Professor X Requires Restart

The Professor X Extension let's you see inside a page's head without viewing the sourcecode...

Rated 4 out of 5 stars (2)
199 users

ProfileComplete Requires Restart

Automatically completes profile information on other sites. Open a profile on orgbit.com, and then use the extension to complete your data on myspace, etc. Currently building our list of integrated...

Rated 5 out of 5 stars (1)
1 user

ProRTC Enable Screen Capturing in Firefox

This firefox extension enables screen sharing support in Firefox .

Not yet rated
7 users