HTTP Header Live
Displays the HTTP header. Edit it and send it.
10,720 users
SQLite Manager
manage, edit, manipulate, plot and save one or multiple SQLite databases simultaneously
10,703 users
Live Stream Downloader
Download M3U8 HLS Streams (HTTP Live Stream) to your local disk
10,689 users
10,683 users
Pixiv Toolkit
Convert ugoira to gif or/and webm, pack manga for downloading and download novel on Pixiv.
10,633 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.
10,607 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.
10,600 users
Easy Manuals Finder & Custom Web Search
Add the Easy Manuals Finder & Custom Web Search extension to access user manuals by clicking the favicon on the toolbar and get web search results powered by Yahoo®.
10,595 users
10,557 users
Proxy Toggle
Toggle between direct connection and a single proxy server via a toolbar icon.
10,496 users
New Tong Wen Tang
Traditional and Simplified Chinese Converter
10,493 users
Yandex search
Adds Yandex search as a search engine.
10,484 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!
10,478 users
Midnight Lizard
Custom color schemes for all websites: night mode, dark themes, blue light filter, screen shader, high contrast, grayscale, etc.
10,456 users
Lumaly
Jetzt mit Lumaly Geld sparen.
10,449 users
Add custom search engine
Add a custom search engine to the list of available search engines in the search bar and URL bar.
10,410 users
New Tab Tools
Customizes the new tab page. Add more tiles. Have a background image. Set new tile images and titles. See recently closed tabs. And more...
10,327 users
Video Downloader VeeVee
Video Downloader VeeVee – Download videos from the Internet.
10,260 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
10,213 users
YouTube Search Engine
Adds YouTube search engine to search engines.
10,185 users
10,180 users
Video Downloader
Download video from your favorite sites with just one click!
10,110 users
Auto Fullscreen
Auto Fullscreen for Firefox Quantum
10,110 users
Seznam Doplněk – Esko
Zkrátí cestu na Seznam.cz a ochrání vás před podvodnými stránkami.
10,026 users
Telegram
Telegram Web
9,999 users