PDF Dark Mode Reader
Read PDFs in dark mode with multiple themes. Reduce eye strain and read comfortably. 100% local processing — your files never leave your device.
674 users
Highlighter for the Web - Mark my Word
Highlighter to mark text on any website on desktop and mobile with the Mark my Word browser extension for Firefox. Synchronizer highlights between devices and export to your favorite note-taking tool to keep what is important to you.
667 users
Somtoday Mod
Adjust the appearance of Somtoday. Adds a dark mode, background images, fonts, colors and more.
651 users
Foxen - FunPay Tools
форк проекта FunPay Tools, адаптированный для Firefox и дополненный новыми функциями.
626 users
WebCatalog - Speed Dial New Tab
WebCatalog lets you customize your new tab with beautiful wallpapers and organize your web apps with folders and pages.
609 users
Muzli - Design inspiration hub
Your daily dose of design with industry news, tools, and inspiration - all in one place.
586 users
FilterTube
Block YouTube channels, keywords, Shorts, and comments. FilterTube restores control over your feed with 100% local, private filtering.
585 users
Pinterest Dark & Amoled Theme For Firefox
Forces Pinterest to use a pure black theme and a gray theme that actually works [Firefox Port by official developer. This extension has extra useful features unlike other ones.]
575 users
Blur. The Image and Video blur extension
A chrome extension that blur all images on a page, for when you want to be discreet or don't want to look at certain images.
569 users
Old Twitter Layout (2026)
Browser extension to return old Twitter layout from 2015 (and option to use 2018 design). This extension doesn't add any CSS on top of original Twitter. It's fully original client that replaces Twitter, making it much faster than alternatives.
568 users
History Cleaner (History Eraser)
Quickly delete/wipe your browser history for a defined period with one click
532 users
Tab Grouper - Group Every Open Tabs
Create and manage tab groups for better browsing and research.
524 users
Page Source HTML Viewer (works on Android)
A lightweight HTML source viewer for Firefox for Android, but also works on Desktop Firefox. Ability to toggle to SEO relevant code like title and description...
518 users
