FilterTube
Block YouTube channels, keywords, Shorts, and comments. FilterTube restores control over your feed with 100% local, private filtering.
527 users
Thematic (was Persona Switcher)
Quickly switch between your themes or reset the theme back to the default via a menu or the keyboard. You can also automatically rotate through all of your themes on a time interval you select. Works for Firefox and Thunderbird.
527 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.
527 users
OCR + Translate
Open source addon + server (see description) combo to run OCR + translations of images on browser page. Uses freely available models and can run totally offline
526 users
Amazon Brand Detector
A browser extension that reveals Amazon brands and exclusive products while you shop online.
524 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.]
521 users
Grayscale Bro
A minimal Firefox extension for monochrome browsing. Supports dark theme and grayscale only on selected hostnames. [Notice: Doesn't work at mozilla pages]
521 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.
520 users
SixIndicator
Shows a simple icon, if IPv6 or IPv4 was used for the request of the site. When clicking on the icon, more information is shown, like the number of requests per domain and if these requests were made via IPv6 or IPv4.
520 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.
517 users
YouTube Shorts Blocker
Remove YouTube shorts (toggleable) from YouTube videos feed, avoiding distractions.
513 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.
513 users
Shimeji Browser Extension
Fill your browser with tiny chaotic cuties with unique character from Imported Shimeji packs, collect your favorite characters, and let them scamper, climb, flop, and comment on what you're doing, all in your browser and in 99% of pages.
510 users
Scribens : Grammar Checker and Writing Assistant
Scribens is a grammar checker and a writing assistant.
506 users
Close Tab Button Quantum
Toolbar button to close the current tab. Works on the newest version of Firefox. This is a replacement for browser.tabs.closeButtons feature set to '3' of old firefox.
506 users
Re-Pagination - WebExtension fork
Load consecutive pages in a single tab at once, or view them in a slideshow, similar to AutoPager but not as automatic. Useful for searches, forums, and webcomics. This is a fork of Nils Maier's Re-Pagination addon, updated for Firefox Quantum.
506 users
Twitter Lume Reskin
Popular Dark Lume userstyle for Twitter, redone as a Mozilla Firefox Addon.
505 users
