Dark Reader
Dark mode for every website. Take care of your eyes, use dark theme for night and daily browsing.
1,229,392 users
'Improve YouTube!' 🎧 (For YouTube & Video)
Youtube Extension. Powerful but lightweight. Enrich your Youtube and content selection. Make YouTube tidy and smart! (Layout, Filters, Shortcuts, Playlist)
78,057 users
Turn Off the Lights for Firefox
The entire page will be fading to dark, so you can watch the videos as if you were in the cinema. Works for YouTube and Beyond. Dark mode for all websites. It works for all known video sites such as YouTube, Vimeo, Twitch, Dailymotion, Facebook, etc.
45,786 users
Dark Background and Light Text
Make every web page (or just the pages you want) display light text on dark backgrounds. All color variations are fully customizable.
34,030 users
Cookie-Editor
Cookie-Editor lets you efficiently create, edit and delete a cookie for the current tab. Perfect for developing, quickly testing or even manually managing your cookies for your privacy.
84,123 users
UnTrap for YouTube
Summarize YouTube videos with AI and Hide Distractions: shorts, ads, comments, related, suggestions, and more.
17,137 users
SocialFocus: Hide Distractions
Block feed, shorts, related and other distractions on time-wasting sites like Instagram, Facebook, YouTube, Twitter, Reddit, LinkedIn...
12,861 users
Dark Mode - Night Eye
With Dark Mode - Night Eye, you can easily switch websites between dark and light mode as desired to take care of your eyes and reduce eye strain. Make your online experience more comfortable and enjoyable with this simple and convenient tool.
5,998 users
Instagram Hide Reels, Explore Page - IGPlus
2025 • Open-source • Disable Instagram Reels, videos, comments, suggestions wall, vanity metrics, homepage recommendations, trending... and many more.
3,182 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.
2,859 users
doqment PDF Reader
Firefox's PDF Viewer with Reader Mode: change the colours of PDFs while reading.
1,953 users
Speed Dial | SwiftDial
Speed Dial | Home Page | New Tab | 📱 Modern | 🎨 Easily customizable | 🛡️ Privacy-friendly |
1,669 users
UltimaDark - The Fastest Dark Mode Extension
UltimaDark uses agressive & 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! 🦇
1,574 users
Old Twitter Layout (2025)
An extension that returns old Twitter's look from 2015 or 2018. WORKS IN 2024!
1,224 users
LibrusPro
Browser extension for the Polish Librus e-diary, introducing a dark theme, displaying grade point averages despite being disabled by the School Administrator, allowing to add custom events in the schedule and some minor improvements to its features.
1,154 users
![[新版]Circle 阅读助手](https://addons.mozilla.org/user-media/addon_icons/2836/2836985-64.png?modified=3cc826b6)
[新版]Circle 阅读助手
The Circle reading assistant can extract the content from a webpage and reorganize it into a more readable interface. The reading assistant browser extension Circle, which is more powerful than Safari reading mode.
714 users
SpoPlus - Edit Spotify Theme & Settings
2025 • Spotify extension that allows you to bring back classic heart button, set up new themes, fonts, remove annoying notifications, popups, and many more!
623 users
Website and IP address blocker
Block Websites and IP address. Additional feature: Option to only block the homepage.
620 users
Night Mode - Dark Theme
A universal dark theme. Night Mode is an extension that helps you quickly turn the screen (browser) to dark at night time. Toolbar button serves as an On & Off switch which enables you to easily and quickly turn the extension On or Off.
602 users
Enhancer for Nebula
Enhancer for Nebula. Adds quality of life features to the nebula player.
380 users
GPThemes - ChatGPT Customization
Transform ChatGPT's user interface with customisable accent colours and font styles, modern designs and chat bubbles.
306 users
