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 (14)
5,587 users

WhatRuns Compatible with Firefox 57+

Discover what runs a website - This Firefox extension helps you identify technologies used on any website at the click of a button.

Rated 5 out of 5 stars (16)
3,110 users

Download all Images Compatible with Firefox 57+ Featured

a customizable extension to save the images from the current tab page

Rated 4 out of 5 stars (9)
2,399 users

HTML5 one-click checker

An extension for checking HTML5 validity in one-click.

Send the source of your current tab to W3C HTML5 validator (http://validator.w3.org/nu/) and display the result

Not yet rated
979 users

Proxy SwitchyOmega Compatible with Firefox 57+

Manage and switch between multiple proxies quickly & easily.

Rated 4 out of 5 stars (21)
1,088 users

Jitsi : partage d'écran

Extension de partage d'écran sur l'application JITSI utilisée par le RIE

Rated 5 out of 5 stars (1)
7,343 users

Vue.js devtools Compatible with Firefox 57+

DevTools extension for debugging Vue.js applications.

Rated 5 out of 5 stars (22)
5,104 users

ICPBravoAccess Compatible with Firefox 57+

ICPBravo Access ICPBrasil and General PKI Extension.

Rated 4 out of 5 stars (5)
4,517 users

JavaScript Toggle On and Off (WebExtension) Compatible with Firefox 57+

Toggle JavaScript engine on and off the easy way

Rated 4 out of 5 stars (18)
3,865 users

Stylus (Beta) Compatible with Firefox 57+

Redesign the web with Stylus, a user styles manager. Stylus allows you to easily install themes and skins for many popular sites.

Rated 4 out of 5 stars (39)
5,160 users

Open in Google Chrome Browser Compatible with Firefox 57+

Open current page or link in Chrome browser

Rated 5 out of 5 stars (12)
1,192 users

Modify Header Value (HTTP Headers) Compatible with Firefox 57+

Add, modify or remove a header for any request on desired domains.

Rated 4 out of 5 stars (8)
4,432 users

Take Screenshots, Screen Grab with Online Upload Requires Restart

Capture screen grabs aka screen shots and instantly upload online to ImageBam for easy online sharing and storage.

Rated 4 out of 5 stars (12)
1,187 users

WAVE Accessibility Extension Compatible with Firefox 57+

Evaluate web accessibility within the Firefox browser. When activated, the WAVE extension injects icons and indicators into your page to give feedback about accessibility and to facilitate manual evaluation.

Rated 5 out of 5 stars (1)
3,046 users

HTTP/2 and SPDY indicator

An indicator showing HTTP/2 and SPDY support in the address bar.

Rated 4 out of 5 stars (26)
36,447 users

Quick Locale Switcher Requires Restart

Allows you to quickly switch to a different language (User Interface, Spell Checker Dictionary and Website content) in your Mozilla application.

Rated 3 out of 5 stars (87)
207,695 users

Stylish Requires Restart

Restyle the web with Stylish, a user styles manager. Stylish lets you easily install themes and skins for Google, Facebook, YouTube, Tumblr, and many, many other sites. You can even customize Firefox and other programs themselves.

Rated 4 out of 5 stars (898)
394,856 users

Page Screenshot Compatible with Firefox 57+

Take a screenshot from the entire website with just one click.

Rated 4 out of 5 stars (5)
1,551 users

Wizdler Compatible with Firefox 57+

Parses the WSDL files and generates SOAP messages for you.

Rated 5 out of 5 stars (1)
1,379 users

EditThisCookie Compatible with Firefox 57+

EditThisCookie is a cookie manager. You can add, delete, edit, search, protect and block cookies!

Rated 4 out of 5 stars (2)
2,513 users