YouTube Repeat Button
Adds a repeat button to the HTML5 player to loop over a single track after 1 second delay
2,991 users
Modern for Wikipedia
A redesigned user interface for Wikipedia. Enhance your Wikipedia experience with a beautiful, clean, modern design that's fully customizable.
2,987 users
Definer - Translate, Ask AI, Search Selected
Use AI translator and dictionary online with AI search to spell check sentences & learn new words
2,968 users
UltimaDark - The Fastest Dark Mode Extension
UltimaDark uses agressive and smart techniques to turn even the sunniest websites into realms of darkness. Although it works well, this is so experimental, it makes lab rats look like seasoned professionals. Go ahead, embrace the shadows! 🦇
2,835 users
doqment PDF Reader
Firefox's PDF Viewer with Reader Mode: change the colours of PDFs while reading.
2,821 users
AddToAny: Share Anywhere
Share to Facebook, Mastodon, WhatsApp, Telegram, LinkedIn, Teams, Threads, email, and any other sharing or saving service quickly and easily with one share button.
2,686 users
Reddit Enhancer
Various tweaks to customise your Reddit experience. Supports all versions of Reddit.
2,643 users
Old Twitter Layout (2026)
An extension that returns old Twitter's look from 2015 or 2018. WORKS IN 2026!
2,638 users
VK Next - функции для ВКонтакте
Лучшее расширение для ВКонтакте с множеством функций, в числе которых есть эксклюзивные.
2,432 users
Session Alive
Keep your Session Alive at any website and never get logged out. Forget the session timeout messages. Multi-Account Containers supported.
2,406 users
Note Sidebar for Firefox
Simple note sidebar which can be used to write a note, record thoughts, to-do list, meeting notes, etc.
1,848 users
