Calculator Whiz & Custom Web Search
Add the Calculator Whiz & Custom Web Search extension to get a free online calculator by clicking the favicon on the browser toolbar & enjoy Yahoo® search
4,003 users
Search on YouTube
Use the context menu (right click) to search on YouTube any text from other websites.
4,001 users
ICPBravoAccess
ICPBravo Access ICPBrasil and General PKI Extension.
4,001 users
3,999 users
HLS Downloader
Download fragmented media files with HLS (HTTP Live Streaming) downloader.
3,997 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.
3,997 users
Facebook Video Downloader Plus
Download Any Facebook Video in HD Format
3,996 users
3,989 users
3,986 users
HTTP request maker
Displays a sidebar that lets you to forge HTTP requests. Press Ctrl+Shift+Y to show the sidebar and make your own HTTP request. You can choose the method GET, HEAD, POST, OPTIONS, PUT DELETE and the body data to send. Response in the main window.
3,983 users
Carbonalyser
Allows to visualize the electricity consumption and greenhouse gases (GHG) emissions that your Internet browsing leads to.
3,982 users
Canvas Defender
Instead of completely blocking canvas fingerprinting, Canvas Defender add-on creates a unique and persistent noise that hides your real canvas fingerprint. This add-on protects you while browsing both in normal and private mode.
3,982 users
Video Download
A simple download video from website
3,980 users
Bluhell Firewall
Get a faster browsing experience by blocking nasty web resources using Bluhell Firewall, the lightweight Ad-Blocker and Tracking/Privacy Protector.
3,975 users
Ivacy VPN: Best Free VPN for Privacy and Security
The best Free Firefox extension for content, security & privacy. Enjoy unlimited bandwidth and speed.
3,969 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™"
3,965 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.
3,964 users
Hindi Spell Checker
This is a real time spell checker for Hindi, supported on Firefox, Thunderbird, and Seamonkey.
3,959 users
ChatGPTBox
This extension integrates ChatGPT into the browser deeply, and provides chat windows, search engines and commonly used websites integration, and selection tools.
3,952 users
Volume Control for Bandcamp Player
It's a volume control for Bandcamp audio player. The extension adds another slider (somewhere around the one that controls the track progress) to control the volume.
3,943 users
Medium parser
Unlocks the whole medium article on the go.
3,933 users
nightTab
A neutral new tab page accented with a chosen colour. Customise the layout, style, background and bookmarks in nightTab.
3,921 users
Streaming enhanced: Netflix Disney+ Prime Video
Automatically skip Ads, Intros, Credits and add Speed Control, etc. on Netflix, Prime video, Disney+, Crunchyroll and HBO max.
3,918 users
Dualsub - Dual Subtitles for YouTube
Display dual subtitles, use machine translation and speech recognition to generate subtitles.
3,918 users
Undo Closed Tabs Button
Add a toolbar button onto any toolbar to undo closed tabs
3,916 users