All Video Downloader Pro
1. Install Extension 2. Play video in your browser 3. Click the KV icon then click respective links to download The most popular Keepvid.site website's All Video Downloader Extension
4,001 users
Cookiebro - Cookie Manager
Advanced cookie manager for easy cookie management and automatic deletion of unwanted cookies. Supports whitelist & blacklist and provides an easy-to-use interface for whitelisting domains. View, Edit, Create, Search cookies in Cookie Editor.
3,998 users
Random User-Agent (Switcher)
Automatically change the user agent after a specified period of time to a randomly selected one, thus hiding your real user agent
3,997 users
FB2 Reader
Allows reading FictionBook (.fb2 and fb2.zip) files from websites. Just click on fb2 link and that is it. Only works for unzipped local .fb2 files. For Linux support please see the description.
3,995 users
Ivacy VPN: Best Free VPN for Privacy and Security
The best Free Firefox extension for content, security & privacy. Enjoy unlimited bandwidth and speed.
3,993 users
Unblock Youku
Unblock Youku helps users outside Mainland China to access geo-restricted content of some popular Chinese websites (e.g., Bilibili, Youku, Tudou, etc.).
3,991 users
Context Search
Search selected text using your preferred search engines or AI chatbot. Right-click or Alt-click on selected text to respectively launch the context menu or the icons grid. You can also perform searches using keywords in the url address bar.
3,989 users
Bulk URL Opener
Allows user to open a list of url in one click.
3,986 users
Bluhell Firewall
Get a faster browsing experience by blocking nasty web resources using Bluhell Firewall, the lightweight Ad-Blocker and Tracking/Privacy Protector.
3,980 users
Carbonalyser
Allows to visualize the electricity consumption and greenhouse gases (GHG) emissions that your Internet browsing leads to.
3,978 users
2FAS - Two factor authentication
2FAS extension is simple, private, and secured: one click, one tap, and your 2FA token is automatically entered!
3,972 users
3,965 users
Password Manager
Automatically fills in login fields with passwords from the password vault. The add-on is not standalone and requires the password manager desktop app by F-Secure to be installed. For more information, visit https://www.f-secure.com/id-protection.
3,961 users
Dualsub - Dual Subtitles for YouTube
Display dual subtitles, use machine translation and speech recognition to generate subtitles.
3,961 users
Youtube to MP3 Converter & Downloader
Firefox extension to convert and download Youtube videos for free in MP3 format. This addon includes a button on any YouTube View Page and allows you to convert the YouTube Video to a mp3 file with just one click.
3,961 users
Youtube Speed Control
Control speed of the youtube playback using the keyboard. Press '+' to increase and '-' to decrease the playback speed. Or Shift + mouse wheel . That plugin doesn't work together with "Enhancer for YouTube™"
3,954 users
Reddit NSFW Unblocker
Unblock and remove these pesky popups and blurs to freely view NSFW content! No login required. Made for the new Reddit (Beta) UI.
3,934 users
nightTab
A neutral new tab page accented with a chosen colour. Customise the layout, style, background and bookmarks in nightTab.
3,925 users
Undo Closed Tabs Button
Add a toolbar button onto any toolbar to undo closed tabs
3,918 users
3,907 users
3,905 users
IPFS Companion
Harness the power of IPFS in your browser
3,900 users
Fontanello
A browser extension that lets you display the basic typographic styles of a text by right-clicking it.
3,889 users
Messenger for Google™ Hangouts
Easily connect with friends and family while you browse internet. This add-on brings conversations to life with photos, emoji, and even group video calls!
3,888 users
YouTube Livestreams Theater Mode
Improves the viewing experience of YouTube livestreams and premiers with an enhanced theater mode, including features like moving chat to the left side or on top of the video.
3,877 users