Dark Reader
Dark mode for every website. Take care of your eyes, use dark theme for night and daily browsing.
1 174 846 felhasználó
Ghostery – Adatavédelmi Reklámblokkoló
Ennek a kiegészítőnek a rövid leírása.Blokkolja a reklámokat, leállítja a trackereket (követőalkalmazások) és felgyorsítja a weboldalakat.
1 044 583 felhasználó
FoxyProxy Standard
FoxyProxy is an open-source, advanced proxy management tool that completely replaces Firefox's limited proxying capabilities. No paid accounts are necessary; bring your own proxies or buy from any vendor. The original proxy tool, since 2006.
214 582 felhasználó
Tampermonkey
Tampermonkey is the world's most popular userscript manager.
709 417 felhasználó
ColorZilla
Advanced Eyedropper, Color Picker, Gradient Generator and other colorful goodies...
152 265 felhasználó
User-Agent Switcher
Easily override the browser's User-Agent string
66 201 felhasználó
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.
64 889 felhasználó
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.
64 121 felhasználó
Ruffle
Visszateszi a Flasht a webre, ahova való.
50 711 felhasználó
Allow Right-Click
Re-enable the possibility to use the context menu on sites that overrides it
42 180 felhasználó
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.
37 338 felhasználó
WhatFont
A wrapper for Chengyin Liu's WhatFont tool
35 476 felhasználó
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).
34 232 felhasználó
Disable WebRTC
WebRTC leaks your actual IP addresses from behind your VPN, by default.
29 498 felhasználó
Google Lighthouse
Lighthouse is an open-source, automated tool for improving the performance, quality, and correctness of your web apps.
16 767 felhasználó
cookies.txt
Exports all cookies to a Netscape HTTP Cookie File, as used by curl, wget, and youtube-dl, among others.
16 505 felhasználó
RESTED
A REST client for the rest of us
15 887 felhasználó
JSON Lite
Fast JSON viewer - highlights, shows items count/size, handles large files
14 940 felhasználó
JavaScript Toggle On and Off (WebExtension)
Toggle JavaScript engine on and off the easy way
14 841 felhasználó
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)
14 312 felhasználó
Empty Cache Button
Cache clearing made easy. One click.
13 460 felhasználó
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.
11 884 felhasználó
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.
11 318 felhasználó
Proxy Toggle
Toggle between direct connection and a single proxy server via a toolbar icon.
11 170 felhasználó