Dark Reader
Donkere modus voor elke website. Zorg goed voor je ogen, gebruik donkere modus voor gebruik in de nacht of zelfs overdag.
1.170.129 gebruikers
Ghostery
Bescherm uw privacy.Met Ghostery ziet u wie u in de gaten houdt als u op het web surft.
1.034.420 gebruikers
FoxyProxy Standard
FoxyProxy is een geavanceerd hulpmiddel voor proxybeheer die de beperkte proxymogelijkheden van Firefox volledig vervangt. Het biedt meer functies dan SwitchProxy, ProxyButton, QuickProxy, xyzproxy, ProxyTex, TorButton, enz.
213.896 gebruikers
Stylus
Herontwerp uw favoriete websites met Stylus, een actief ontwikkelde en door de gemeenschap gedreven gebruikersstijlbeheerder.
111.107 gebruikers
Tampermonkey
Tampermonkey is the world's most popular userscript manager.
709.005 gebruikers
ColorZilla
Advanced Eyedropper, Color Picker, Gradient Generator and other colorful goodies...
150.345 gebruikers
User-Agent Switcher
Easily override the browser's User-Agent string
65.749 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.
64.561 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.
63.762 gebruikers
Ruffle
Zet Flash terug op het web waar het thuishoort.
50.252 gebruikers
Allow Right-Click
Re-enable the possibility to use the context menu on sites that overrides it
42.117 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.
37.181 gebruikers
WhatFont
A wrapper for Chengyin Liu's WhatFont tool
35.061 gebruikers
RESTClient, a debugger for RESTful web services.
RESTClient has been completely rewritten for compatible with Firefox 57. Some functions are still missing (OAuth & OAuth 2.0 authentication).
34.126 gebruikers
Disable WebRTC
WebRTC leaks your actual IP addresses from behind your VPN, by default.
29.767 gebruikers
Google Lighthouse
Lighthouse is an open-source, automated tool for improving the performance, quality, and correctness of your web apps.
16.527 gebruikers
cookies.txt
Exports all cookies to a Netscape HTTP Cookie File, as used by curl, wget, and youtube-dl, among others.
16.494 gebruikers
RESTED
A REST client for the rest of us
15.704 gebruikers
JSON Lite
Fast JSON viewer - highlights, shows items count/size, handles large files
14.875 gebruikers
JavaScript Toggle On and Off (WebExtension)
Toggle JavaScript engine on and off the easy way
14.784 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)
14.195 gebruikers
Empty Cache Button
Cache clearing made easy. One click.
13.218 gebruikers
ScriptCat
脚本猫,一个可以执行用户脚本的浏览器扩展,万物皆可脚本化,让你的浏览器可以做更多的事情!
12.603 gebruikers
Fake Filler
A form filler that fills all form inputs (textboxes, textareas, radio buttons, dropdowns, etc.) with fake and randomly generated data. The purpose of this extension is to help developers and testers test forms quickly and easily.
11.736 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.
11.237 gebruikers