Browser Extensions & ToolsStatus: completedJune 10, 2026
YouTube Addons — Power Enhancements for YouTube
A modern browser extension providing smart video bookmarking, custom playlist management, local auto-backups, and cloud synchronization.
Tech Stack:WXTReact 18TypeScriptTailwind CSSPreact SignalsRadix UI
Overview
YouTube Addons supercharges the YouTube experience by introducing fine-grained video bookmarking with notes, chapter annotations, custom local playlists independent of YouTube’s algorithm, and automated export/sync capabilities.
Key Architecture & Capabilities
- WXT Extension Framework: Built on the next-generation WXT framework with TypeScript and React 18 for high compile speed and MV3 compliance.
- Reactive State with Preact Signals: Lightweight, fine-grained state reactivity ensuring zero UI jank when injecting widgets directly into the YouTube DOM.
- Accessible UI Primitives: Built using Radix UI headless components styled with Tailwind CSS for seamless integration with YouTube’s native dark mode.