Volume Control [Boost volume]
Boost, or lower your volume up to or down 32 DB.
15,340 users
Forget Me Not - Forget cookies & other data
Make the browser forget website data (like cookies, local storage, etc.), except for the data you want to keep by adding domains to a whitelist, graylist, blacklist, or redlist.
15,276 users
Behind The Overlay
One click to close any overlay popup on any website. Use keyboard shortcut Cmd+Shift+X (Mac OS X) or Ctrl+Shift+X (Windows / Linux).
15,268 users
Reverse Image Search
Adds an option to the context menu to search with an image on Google, Bing, Yandex, TinEye, SauceNAO, IQDB or custom search engines. You can also choose more than one and they will be shown in a submenu!
15,267 users
Bulgarian Dictionary
Bulgarian spellchecking...
15,222 users
AdGuard Browser Assistant
Extension for the AdGuard desktop app. Manages filtering right from the browser, hides annoying elements in two clicks.
15,202 users
Greek spellchecking dictionary
Greek spellchecking dictionary Mozilla (Firefox- Thunderbird- Seamonkey)
15,173 users
Youtube Downloader
Please play the video on youtube then click the icon in the top right tab to download mp3 or videos. Note: This add-on will direct the user to a downloader website to download the video or mp3 of your choice from youtube.
15,169 users
RESTED
A REST client for the rest of us
15,114 users
Media Helper for Instagram
Easily download Instagram pictures and videos.
15,090 users
Microsoft Power Automate
Add-on for enabling web automation. This web extension is compatible with Power Automate for desktop version 2.27 or later.
15,082 users
Location Guard
Hide your geographic location from websites. Report a fake location with the addition of random noise in order to protect your privacy. Per site settings with three configurable levels of accuracy or even the possibility to use a fixed location.
14,908 users
Allow CORS: Access-Control-Allow-Origin
Easily add (Access-Control-Allow-Origin: *) rule to the response header.
14,691 users
ESEP Crypto
Расширение, которое необходимо установить для работы в ЕСЭП пользователей, использующих версию Firefox 48+.
14,676 users
Instagram Downloader
Help users download images and videos easily on Instagram
14,672 users
Адаптер Рутокен Коннект
Защищенное TLS-соединение в браузере по ГОСТу с Рутокен
14,604 users
Extension Signal Spam
Alertez Signal Spam en un clic sur un spam ou phishing depuis votre mail Orange, SFR, Yahoo!, Gmail, Laposte.net, Outlook, Free, AOL. Protégez-vous contre le Phishing et soyez alerté des sites frauduleux dans votre webmail ou votre navigation web.
14,571 users
ColorfulTabs
The first addon you should be installing on a fresh Firefox install. A must have. The most beautiful yet the simplest add-on that makes a strong colorful appeal. Colors every tab in a different color.
14,538 users
Bookmarks Organizer
With the Bookmarks Organizer it's easy to put order in your bookmarks. The Bookmarks Organizer finds no longer working bookmarks, redirects, duplicates and more!
14,524 users
JavaScript Toggle On and Off (WebExtension)
Toggle JavaScript engine on and off the easy way
14,503 users
14,463 users
Video Download
Download video effortless directly from your favorite sites: YouTube, Twitter, Pinterest, Soundcloud & Twitch!
14,410 users
Video Converter World & Custom Web Search
Add the Video Converter World & Custom Web Search extension to convert videos via an online video converter tool by clicking the favicon on the toolbar & enjoy Yahoo® search from your browser.
14,376 users
Double-click Image Downloader
Double-click any image to download it quickly and quietly, or use the Hover Button!
14,350 users
Audio Downloader Prime
Easily download most popular audio formats.
14,319 users