Dark Reader
Tmavý režim pre každú stránku. Šetrite svoje oči a používajte tmavý motív po celý deň.
1 227 425 používateľov
Ghostery – Privacy Ad Blocker
The best privacy tool and ad blocker extension for Firefox. Stop trackers, speed up websites and block ads everywhere including YouTube and Facebook.
992 061 používateľov
Stylus
Redesign your favorite websites with Stylus, an actively developed and community driven userstyles manager. Easily install custom themes from popular online repositories, or create, edit, and manage your own personalized CSS stylesheets.
128 273 používateľov
Clear Cache
Clear browser cache with a single click or via the F9 key. F9 Fever! ;)
58 655 používateľov
Tampermonkey
Tampermonkey is the world's most popular userscript manager.
727 106 používateľov
ColorZilla
Advanced Eyedropper, Color Picker, Gradient Generator and other colorful goodies...
140 863 používateľov
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.
83 275 používateľov
Ruffle - Flash Emulator
Putting Flash back on the web. Designed to be easy to use, this extension will seamlessly enable you to play flash content, with no extra configuration required!
66 804 používateľov
User-Agent Switcher
Easily override the browser's User-Agent string
63 149 používateľov
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.
51 650 používateľov
WhatFont
A wrapper for Chengyin Liu's WhatFont tool
35 425 používateľov
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.
33 383 používateľov
Disable WebRTC
WebRTC leaks your actual IP addresses from behind your VPN, by default.
25 715 používateľov
Google Lighthouse
Lighthouse is an open-source, automated tool for improving the performance, quality, and correctness of your web apps.
15 752 používateľov
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)
14 623 používateľov
Chrome Mask
Makes Firefox wear a mask to look like Chrome to websites that block Firefox otherwise.
14 063 používateľov
RESTED
A REST client for the rest of us
13 614 používateľov
JavaScript Toggle On and Off (WebExtension)
Toggle JavaScript engine on and off the easy way
12 710 používateľov
JSON Lite
Fast JSON viewer - highlights, shows items count/size, handles large files
12 058 používateľov
Empty Cache Button
Cache clearing made easy. One click.
11 010 používateľov
MobiDevTools
A mobile devtools for debugging web sites and applications with the console, DOM, network info, sources, and more.
10 985 používateľov
Proxy Toggle
Toggle between direct connection and a single proxy server via a toolbar icon.
10 366 používateľov
Save Screenshot
Saves the current page as image file or copies it to clipboard.
9 628 používateľov
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.
8 106 používateľov
ScriptCat
Everything can be scripted, allowing your browser to do more!
7 746 používateľov