Youtube 4K Downloader
Download any YouTube Video at (720p, 1080p, UHD, 60FPS, HDR, 2K, 4K, 8K) qualities and download audio extracted from video at the best quality.
11,327 users
Show/hide passwords
Add a link near password fields to hide or show passwords.
11,306 users
HTTP Header Live
Displays the HTTP header. Edit it and send it.
11,292 users
Px Downloader
Pixivからイラスト、漫画、うごイラ、小説をダウンロード出来るアドオンです。 インストールすると、作品ページに"Px Downloader"ボタンが追加されます。 そのボタンをクリックするだけで簡単にダウンロードができます。
11,276 users
11,248 users
EverSync - Sync bookmarks, backup your favorites.
Synchronize your bookmarks and FVD Speed Dials. Secure online access with additional features. Synchronize bookmarks between different browsers. Backup and restore your bookmarks online. Sync favorites between computers! Delete duplicated bookmarks.
11,203 users
Rakuten Button Canada: Get Cash Back for Shopping
Always forgetting Cash Back? Let us help. Shop like you normally would at your favourite stores and we’ll alert you when Cash Back is available. Trust us, you’ll never forget Cash Back again!
11,168 users
Turbo Converter & Custom Web Search
Add the Turbo Converter & Custom Web Search extension to get a metric unit and currency converter by clicking the favicon on the toolbar & enjoy Yahoo® search from your browser
11,162 users
SQLite Manager
manage, edit, manipulate, plot and save one or multiple SQLite databases simultaneously
11,161 users
11,147 users
Yahoo Toolbar and New Tab
This Add-on gives you a simplified version of Yahoo Toolbar along with Flickr images on every new tab. It also provides quick access to your top sites.
11,022 users
Yandex search
Adds Yandex search as a search engine.
11,019 users
Search by Image on Google
Right click on an image to search Google for related images or versions in different sizes.
10,976 users
Lumaly
Jetzt mit Lumaly Geld sparen.
10,931 users
Proxy Toggle
Toggle between direct connection and a single proxy server via a toolbar icon.
10,903 users
Seznam Doplněk – Esko
Zkrátí cestu na Seznam.cz a ochrání vás před podvodnými stránkami.
10,826 users
signTextJS plus
window.crypto.signText replacement plus enhancements
10,819 users
Kagi Search for Firefox
A simple helper extension for setting Kagi as a default search engine, and automatically logging in to Kagi in private browsing windows.
10,808 users
10,802 users
Live Stream Downloader
Download M3U8 HLS Streams (HTTP Live Stream) to your local disk
10,779 users
Midnight Lizard
Custom color schemes for all websites: night mode, dark themes, blue light filter, screen shader, high contrast, grayscale, etc.
10,762 users
Add custom search engine
Add a custom search engine to the list of available search engines in the search bar and URL bar.
10,736 users
New Tong Wen Tang
Traditional and Simplified Chinese Converter
10,698 users
HackBar V2
[No License, FOREVER FREE] A HackBar for new firefox (Firefox Quantum). This addon is written in webextension and alternatives to the XUL version of original Hackbar. You can ask request here: https://github.com/Hack-Free/HackBar
10,686 users
Social Fixer
Social Fixer for Facebook fixes annoyances, adds features, and enhances existing functionality to make FB more fun and efficient. Filter the news feed, hide sponsored posts and political posts, hide parts of the page you don't want to see, and more!
10,670 users