YouTube™ Downloader Lite
A very lite YouTube downloader (FLV, WebM, 3GP, and MP4)
10,135 users
10,103 users
Modify Header Value
Add, modify or remove a header for any request on desired domains.
10,080 users
Bookmark Dupes
Display/Remove duplicate bookmarks, empty folders or descriptions
10,075 users
Vietnamese Dictionary
Enables spell checking in Vietnamese with a wordlist based on Hồ Ngọc Đức’s Free Vietnamese Dictionary Project.
10,052 users
Auto Fullscreen
Auto Fullscreen for Firefox Quantum
10,027 users
迅雷下载支持
该扩展用于实现迅雷11接管Firefox浏览器的下载请求。
10,004 users
Türkçe Yazım Denetimi
Türkçe Yazım Denetimi Turkish Spellchecker
9,990 users
Google Keep Notes
Google Keep Notes brings Google Keep right into your Firefox Sidebar.
9,950 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.
9,938 users
You.com | The Search Engine You Control
Sets Firefox's default search engine to You.com
9,859 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
9,855 users
Calendly: Meeting Scheduling
Schedule meetings without the hassle. Never get double booked. Calendly works with your calendar to automate appointment scheduling.
9,849 users
Old Twitter Layout (2024)
An extension that returns old Twitter's look from 2015 or 2018. WORKS IN 2024!
9,849 users
Lingocloud - Web Translation Extension
Lingocloud is a bilingual translation extension, delivers a native reading experience at the Click of a button.
9,837 users
Global Twitch Emotes
Twitch culture wherever you go! This extension replaces all Twitch.tv emote phrases with their actual emoticons
9,812 users
British English Dictionary
British English Dictionary R1.19 for Firefox, Thunderbird and SeaMonkey by David Bartlett. To enable, right-click in a multi-line text box, select "Languages", then "English / United Kingdom".
9,807 users
Telegram
Telegram Web
9,797 users
Youtube Ad Auto-skipper
Youtube Ad Skipper is an extension that auto skips ads after youtube provides a skip ad button. It does not block an ad.
9,791 users
9,782 users
Emoji Keyboard - Emojis For Firefox
A free extension of the web tool https://coolsymbol.com/emojis/emoji-for-copy-and-paste.html. It helps input emoji in the web browser with an extensive search functionality.
9,759 users
9,723 users
Always on Top
Sets "Always on Top" style for your Firefox window
9,715 users
signTextJS plus
window.crypto.signText replacement plus enhancements
9,692 users
9,687 users