Dark Reader
Dark mode for every website. Take care of your eyes, use dark theme for night and daily browsing.
1 243 130 felhasználó
Ghostery – Adatavédelmi Reklámblokkoló
Ennek a kiegészítőnek a rövid leírása.Blokkolja a reklámokat, leállítja a trackereket (követőalkalmazások) és felgyorsítja a weboldalakat.
994 210 felhasználó
Clear Cache
Clear browser cache with a single click or via the F9 key. F9 Fever! ;)
58 426 felhasználó
Tampermonkey
Tampermonkey is the world's most popular userscript manager.
734 324 felhasználó
ColorZilla
Advanced Eyedropper, Color Picker, Gradient Generator and other colorful goodies...
141 504 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.
85 702 felhasználó
Ruffle
Visszateszi a Flasht a webre, ahova való.
67 519 felhasználó
User-Agent Switcher
Easily override the browser's User-Agent string
63 642 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.
51 439 felhasználó
WhatFont
A wrapper for Chengyin Liu's WhatFont tool
35 554 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.
33 474 felhasználó
Disable WebRTC
WebRTC leaks your actual IP addresses from behind your VPN, by default.
26 234 felhasználó
Google Lighthouse
Lighthouse is an open-source, automated tool for improving the performance, quality, and correctness of your web apps.
15 854 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)
14 707 felhasználó
Chrome Mask
Makes Firefox wear a mask to look like Chrome to websites that block Firefox otherwise.
14 482 felhasználó
RESTED
A REST client for the rest of us
13 801 felhasználó
JavaScript Toggle On and Off (WebExtension)
Toggle JavaScript engine on and off the easy way
12 816 felhasználó
JSON Lite
Fast JSON viewer - highlights, shows items count/size, handles large files
12 123 felhasználó
Empty Cache Button
Cache clearing made easy. One click.
11 033 felhasználó
Proxy Toggle
Toggle between direct connection and a single proxy server via a toolbar icon.
10 518 felhasználó
Save Screenshot
Saves the current page as image file or copies it to clipboard.
9721 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.
8094 felhasználó
ScriptCat
Everything can be scripted, allowing your browser to do more!
7634 felhasználó
WhatRuns
Discover what runs a website - This Firefox extension helps you identify technologies used on any website at the click of a button.
7450 felhasználó