Dark Reader
Dark mode for every website. Take care of your eyes, use dark theme for night and daily browsing.
1,176,112 users
Enhancer for YouTube™
Take control of YouTube and boost your user experience!
579,038 users
Block Site
A customizable, password-protected website blocker and redirector.
72,893 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.
43,289 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.
40,676 users
'Improve YouTube!' 🎧 (For YouTube & Video)
Youtube Extension. Powerful but lightweight. Enrich your Youtube & content selection. Make YouTube tidy&smart! Layout Filters Shortcuts Adblocker Playlist
33,188 users
3,730 users
497 users
Malwarebytes Browser Guard
The fastest and safest web browsing experience. Secure your privacy by blocking trackers, blocking ads, and blocking malicious content.
523,423 users
Firefox Color
Build, save and share beautiful Firefox themes.
120,220 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.
63,529 users
划词翻译
一站式划词 / 截图 / 网页全文 / 音视频翻译扩展,支持谷歌、DeepL、ChatGPT、百度等 9 个国内外主流翻译服务,均可用于全文翻译。能在 PDF 里使用。支持辅助键、快捷键、悬浮取词。
63,370 users
DocsAfterDark - Google Docs Dark Mode
Modern, dark mode for Google Docs
34,999 users
Auto Refresh Page
Refresh web pages automatically. Auto-refresh and page monitor with specified time intervals.
28,911 users
28,227 users
Raindrop.io
All-in-one bookmark manager
22,029 users
ModHeader
Add and modify the HTTP request headers and response headers. Use ModHeader to: - Add / modify request and response headers - Add / modify cookies - Multi-profile support - Filtering based on URL, tab, or window - Export and share profiles
20,625 users
YouTube Search Fixer
Remove ALL distracting search results, redirect shorts back to legacy page and try little visual changes suited for low resolution screens.
16,199 users
Yandex Evolution
Popular Russian search engine by Yandex (Яndex, Яндекс)
12,901 users
Better Canvas
Best dark mode for Canvas, plus other features
9,941 users
9,702 users
Privacy | Protect Your Payments
Privacy's Firefox add-on allows you to generate a new virtual card number with 1-click on any checkout page. Keep your payment info safe from data breaches, shady merchants, and sneaky subscription billing.
8,797 users
8,741 users
8,487 users
Dark Mode for Wikipedia
Dark mode for English Wikipedia.
8,438 users