Dark Reader
Dark mode for every website. Take care of your eyes, use dark theme for night and daily browsing.
1 293 573 felhasználó
Ghostery – Adatavédelmi Reklámblokkoló
Ennek a kiegészítőnek a rövid leírása.Blokkolja a reklámokat, leállítja a trackereket (követőalkalmazások) és felgyorsítja a weboldalakat.
1 021 671 felhasználó
Clear Cache
Advanced cache clearing with time periods, current tab filter, and smart notifications. Perfect for developers and power users. F9 shortcut included!
58 688 felhasználó
Chrome Mask
Makes Firefox wear a mask to look like Chrome to websites that block Firefox otherwise.
32 879 felhasználó
Tampermonkey
Tampermonkey is the world's most popular userscript manager.
759 694 felhasználó
ColorZilla
Advanced Eyedropper, Color Picker, Gradient Generator and other colorful goodies...
143 801 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.
90 531 felhasználó
Ruffle
Visszateszi a Flasht a webre, ahova való.
73 175 felhasználó
User-Agent Switcher
Easily override the browser's User-Agent string
63 698 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.
50 572 felhasználó
WhatFont
A wrapper for Chengyin Liu's WhatFont tool
35 908 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.
34 006 felhasználó
Disable WebRTC
WebRTC leaks your actual IP addresses from behind your VPN, by default.
24 400 felhasználó
Google Lighthouse
Lighthouse is an open-source, automated tool for improving the performance, quality, and correctness of your web apps.
16 079 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)
14 120 felhasználó
RESTED
A REST client for the rest of us
13 955 felhasználó
JavaScript Toggle On and Off (WebExtension)
Toggle JavaScript engine on and off the easy way
13 464 felhasználó
JSON Lite
Fast JSON viewer - highlights, shows items count/size, handles large files
11 474 felhasználó
Empty Cache Button
Cache clearing made easy. One click.
11 094 felhasználó
Save Screenshot
Saves the current page as image file or copies it to clipboard.
10 003 felhasználó
Proxy Toggle
Toggle between direct connection and a single proxy server via a toolbar icon.
9893 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.
7985 felhasználó
WebScrapBook
Capture web pages to local device or backend server for future retrieval, organization, annotation, and edit.
7473 felhasználó
Form History Control
Manage form history entries (search, edit, cleanup, export/import) and easy text formfiller. Auto-save text entered in any form while typing to allow fast recovery when disaster strikes.
7279 felhasználó