Audio Transposer
Transpose audio pitch up and down by musical intervals. You can also add reverb.
2,149 users
LiteTube: Fix YouTube Lag & Adblock Detection
Fix YouTube Lag / Adblock Detection on Firefox issue by utilizing the lightweight Mobile API Lightweight YouTube (m.) without ads. Background Play, AdBlock, SponsorBlock, and Max Quality in one.
2,101 users
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, …).
2,101 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.
1,992 users
Old Twitter Layout (2026)
An extension that returns old Twitter's look from 2015 or 2018. WORKS IN 2026!
1,978 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!
1,973 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.
1,953 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.
1,940 users
No Login
Access social media websites without logging in: LinkedIn, Instagram, Facebook, X
1,916 users
Discord Token Login
Logging into a Discord account using a token, made easier. Ported to Firefox from chrome
1,824 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.
1,809 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!
1,743 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.
1,674 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.
1,665 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.
1,662 users
Letterboxd Extras
Display ratings from other film sites (and many other nifty extras) directly on Letterboxd, fully customizable.
1,646 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
1,608 users
ZeroDelay
This extension syncs YouTube live streams in real-time by accelerating viewer-delayed streams caused by data reception delays.
1,595 users
