Dark Reader
Dark mode for every website. Take care of your eyes, use dark theme for night and daily browsing.
1.165.130 χρήστες
Ghostery – Privacy Ad Blocker
Ghostery is a powerful privacy extension. Block ads, stop trackers and speed up websites.
1.033.275 χρήστες
FoxyProxy Standard
Το FoxyProxy είναι ένα εξελιγμένο εργαλείο για τη διαχείριση διαμεσολαβητών που αντικαθιστά εντελώς τις περιορισμένες δυνατότητες του Firefox. Παρέχει περισσότερες λειτουργίες από τα SwitchProxy, QuickProxy, xyzproxy, ProxyTex, TorButton, κλπ.
211.524 χρήστες
Stylus
Επαναπροσδιορίση του διαδίκτυου με το Stylus, έναν διαχειριστή στυλ. Το Stylus σας επιτρέπει να εγκαταστήσετε εύκολα themes και skins για πολλές δημοφιλείς ιστοσελίδες.
110.389 χρήστες
Tampermonkey
Tampermonkey is the world's most popular userscript manager.
705.067 χρήστες
ColorZilla
Advanced Eyedropper, Color Picker, Gradient Generator and other colorful goodies...
148.760 χρήστες
User-Agent Switcher
Easily override the browser's User-Agent string
65.394 χρήστες
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.
64.107 χρήστες
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.
63.174 χρήστες
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!
50.171 χρήστες
Allow Right-Click
Re-enable the possibility to use the context menu on sites that overrides it
41.846 χρήστες
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.
36.810 χρήστες
WhatFont
A wrapper for Chengyin Liu's WhatFont tool
34.657 χρήστες
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).
33.319 χρήστες
Disable WebRTC
WebRTC leaks your actual IP addresses from behind your VPN, by default.
29.382 χρήστες
cookies.txt
Exports all cookies to a Netscape HTTP Cookie File, as used by curl, wget, and youtube-dl, among others.
16.379 χρήστες
Google Lighthouse
Lighthouse is an open-source, automated tool for improving the performance, quality, and correctness of your web apps.
16.334 χρήστες
RESTED
A REST client for the rest of us
15.437 χρήστες
JSON Lite
Fast JSON viewer - highlights, shows items count/size, handles large files
14.632 χρήστες
JavaScript Toggle On and Off (WebExtension)
Toggle JavaScript engine on and off the easy way
14.625 χρήστες
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)
14.233 χρήστες
Empty Cache Button
Cache clearing made easy. One click.
13.091 χρήστες
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.
11.548 χρήστες
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.
11.170 χρήστες
Proxy Toggle
Toggle between direct connection and a single proxy server via a toolbar icon.
11.013 χρήστες