Dark Reader
Donkere modus voor elke website. Zorg goed voor je ogen, gebruik donkere modus voor gebruik in de nacht of zelfs overdag.
1.274.665 gebruikers
Ghostery
Bescherm uw privacy.Met Ghostery ziet u wie u in de gaten houdt als u op het web surft.
1.003.372 gebruikers
Stylus
Herontwerp uw favoriete websites met Stylus, een actief ontwikkelde en door de gemeenschap gedreven gebruikersstijlbeheerder.
132.655 gebruikers
Clear Cache
Advanced cache clearing with time periods, current tab filter, and smart notifications. Perfect for developers and power users. F9 shortcut included!
56.639 gebruikers
Chrome Mask
Makes Firefox wear a mask to look like Chrome to websites that block Firefox otherwise.
36.042 gebruikers
Tampermonkey
Tampermonkey is the world's most popular userscript manager.
748.582 gebruikers
ColorZilla
Advanced Eyedropper, Color Picker, Gradient Generator and other colorful goodies...
138.516 gebruikers
Cookie-Editor
Cookie-Editor lets you efficiently create, edit and delete a cookie for the current tab. Perfect for developing, quickly testing or even manually managing your cookies for your privacy.
89.178 gebruikers
Ruffle
Zet Flash terug op het web waar het thuishoort.
71.963 gebruikers
User-Agent Switcher
Easily override the browser's User-Agent string
62.331 gebruikers
Cookie Quick Manager
An addon to manage cookies (view, search, create, edit, remove, backup, restore, protect from deletion and much more). Firefox 57+ is supported.
49.214 gebruikers
WhatFont
A wrapper for Chengyin Liu's WhatFont tool
34.402 gebruikers
Disable JavaScript
Adds the ability to disable JavaScript for specific sites or specific tabs. You can customize the default JS state (on or off), the disable behavior (by domain or by tab) and much more.
33.078 gebruikers
Disable WebRTC
WebRTC leaks your actual IP addresses from behind your VPN, by default.
23.934 gebruikers
Google Lighthouse
Lighthouse is an open-source, automated tool for improving the performance, quality, and correctness of your web apps.
15.375 gebruikers
My IP Hider VPN
My IP Hider VPN is number one tool for hiding your IP and unblocking any web site! If your Firefox version is less then 55 please install older My IP Hider VPN from "Version History" (https://goo.gl/7ZQQjZ)
13.867 gebruikers
RESTED
A REST client for the rest of us
13.391 gebruikers
JavaScript Toggle On and Off (WebExtension)
Toggle JavaScript engine on and off the easy way
13.135 gebruikers
JSON Lite
Fast JSON viewer - highlights, shows items count/size, handles large files
10.993 gebruikers
Empty Cache Button
Cache clearing made easy. One click.
10.622 gebruikers
Save Screenshot
Saves the current page as image file or copies it to clipboard.
9.814 gebruikers
Proxy Toggle
Toggle between direct connection and a single proxy server via a toolbar icon.
9.603 gebruikers
Emoji Cheatsheet
A reference for the codes to generate Emojis on popular sites like GitHub or Basecamp and Unicode characters for Twitter and Facebook. Search Emojis by name or view recently selected items. Emojis are automatically copied to the clipboard.
7.730 gebruikers
WebScrapBook
Capture web pages to local device or backend server for future retrieval, organization, annotation, and edit.
7.253 gebruikers
ScriptCat
Everything can be scripted, allowing your browser to do more!
7.102 gebruikers