one sec | Website Blocker, Focus, Screen Time
“one sec” forces you to take a deep breath and pause whenever you open one of the configured websites (Reddit, YouTube, Twitter, …).
2,117 users
Who Targets Me
Big tech allows campaigns to profile and target voters, increasing polarization and mistrust in our democracies. They won't behave more responsibly without public pressure and transparency. Install Who Targets Me to add your voice!
2,101 users
Podcasts - A podcast player and downloader
A clean and elegant podcast player that make it easy to track and manage your subscription, create your podcast playlist, track podcasts' newest update and download audio tracks in podcasts.
2,015 users
Bring Twitter Back
Turns X back to Twitter by replacing all instances of the logo, replacing the new names ("post," "repost," etc.) with their old ones, and replacing the "X" name with "Twitter" on tabs and on the website.
1,981 users
Audio Transposer
Transpose audio pitch up and down by musical intervals. You can also add reverb.
1,929 users
OK.ru Downloader (IDL Helper)
Download Odnoklassniki / Instagram videos and extract audio from video with just a few mouse clicks. Supported media formats are MP3, MP4, WEBM. Capture frames from online videos with a screenshot button.
1,911 users
Discord Token Login
Logging into a Discord account using a token, made easier. Ported to Firefox from chrome
1,837 users
Tracking & Ad Removal on Facebook
Removes Ads and the user interaction tracking on Facebook™. Modified elements can optionally have a custom CSS style applied to them so that cleaned items can be more easily identified.
1,813 users
Old Twitter Layout (2026)
An extension that returns old Twitter's look from 2015 or 2018. WORKS IN 2026!
1,804 users
Download Youtube Subtitles and Captions
Youtube subtitle downloader button below YouTube videos. This button takes you to the list of subtitles of the corresponding video when clicked!
1,744 users
Tournesol Extension
See Tournesol recommendations on YouTube, and easily contribute to the project.
1,687 users
Twitter Container
This addon is a fork of Mozilla's Facebook Container but for Twitter. Twitter Container isolates your Twitter activity from the rest of your web activity in order to prevent them from tracking you. This addon is NOT an official Mozilla Product.
1,682 users
DataTool Downloader
DataTool is a specialized video downloader designed to help users download high-quality video content from popular social platforms like Xiaohongshu (Little Red Book), Douyin (TikTok China), YouTube, TikTok,, and Instagram.
1,660 users
Superpower ChatGPT
Add Folders, Search, Export, Prompts Manager, Prompt Optimizer, Minimap, Gallery, Notes, Reference Chats, Model Switcher, Pinned Messages, Public Prompt Library, Favorite Prompts, Timestamps, and many more features to ChatGPT
1,656 users
Letterboxd Extras
Display ratings from other film sites (and many other nifty extras) directly on Letterboxd, fully customizable.
1,623 users
YouTube Video Downloader
All-in-one online video downloader for YouTube, Facebook & 700+ sites. Download videos up to 4K in MP4, MP3 & more formats. Fast, secure, server-side processing—no device load, stay anonymous. The ultimate YouTube video downloader extension.
1,576 users
Quetta Video Downloader
One-click video downloads. Supports HLS, M3U8, MP4, WebM, and more.
1,556 users
Telegram Downloader - Download Any Video & File
The official extension for TelegramDownloader.net. Instantly save any video (MP4, MKV), photo, music (MP3), or document directly from Telegram with just one click. (No app needed)
1,546 users
Chatterino Native Host
Replaces the chat on Twitch.tv with Chatterino. Only works on Windows.
1,540 users
alike03's Subscription Info on Steam
See on Steam if the game is currently available on any Subscription package like Xbox Game Pass PC & Console, Ubisoft+, EA Play or EA Play Pro.
1,522 users
