Spinach
Forces text to green and background to white, preserving images and specific site layouts.
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New Group Button
Create a new tab group with an empty tab. (use native Firefox v138+ groups feature)
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آية اليوم - بركة ونور
يعرض آية قرآنية يومية مع تفسير مبسط، خلفيات مذهلة، وصوت "الحسنات" لخلق تجربة روحانية تعزز التدبر والخشوع.
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SteadySpreader
Spread Steady articles
Better Brewed
Filter Reddit by domain, hide unwanted sites, sort filters by date, undo changes, and use “Just the Grounds” mode for a cleaner browsing experience. Runs locally with no tracking, analytics, or external services.
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Agentic Prompt Queue
Agentic Prompt Queue is a browser extension that helps you turn AI chats into structured, repeatable workflows. Instead of handling one prompt at a time manually, it lets you build guided multi-step chains directly on supported AI chat platforms and
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Don't! Paint it black
Detects dark websites and converts them to a Solarized Light color scheme with WCAG AA contrast validation.
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YT Premium Enhancer
YT Premium Enhancer is a custom-built Firefox browser extension designed to drastically improve the YouTube user experience by providing an ad-free, distraction-free environment while simulating the aesthetics of a YouTube Premium subscription.
Google Voice Dark Theme
Dark theme for Google Voice
90s Glory Dial Up Simulator
Do you long for the nostalgia of browsing images on the World Wide Web, only to find them loaded tediously line-by-line and - sometimes - jerking to a complete stop on a painfully slow dial-up internet connection? Look no farther.
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Sticky Reminders
Beautiful sticky-note reminder board as your new tab. Features Today/Week/Month columns, repeating reminders, quick timers with countdowns, scratchpad notes, and floating toasts on any webpage.
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Houdin
Houdin lets you automate boring, repetitive tasks on any website. Click elements, fill forms, and extract data automatically using a simple drag-and-drop workflow builder.
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H2O Reminder - Water Intake Reminder
Stay hydrated with customizable water drinking reminders, beautiful UI, and motivational quotes.
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SpectraTube
Professional audio spectrum analyzer for YouTube with real-time visualization, 10-band frequency display, and professional metering.
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TabelogStarNormalize
食べログのお店についている星を正規化して再表示します。Android版Firefoxにも対応。 Normalize and redisplay stars that are used for evaluation in restaurant reviews evaluation site「Tabelog」. We also support Android Firefox.
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Fullscreen Clock
Shows the current time in the top-right corner when a page enters fullscreen.
