In simple English
This browser extension helps you optimize your YouTube videos for search results. It checks your titles, descriptions and tags right inside your browser. It runs offline and costs nothing to use. It does not send your data to any remote server. Your computer needs a modern graphics card for the local artificial intelligence features to work.
What it is
A free and open-source browser extension that acts as an alternative to paid YouTube optimization tools. It performs local keyword extraction, competitor analysis and heuristic SEO scoring.
What it is good for
Solo creators and builders who want to research keywords and check their YouTube video optimization without paying for monthly software subscriptions.
- Runs entirely in your browser without requiring an account or internet connection for basic checks.
- Includes local AI title and description generation that caches a small model on your machine.
- Provides real-time SEO scoring directly inside the YouTube Studio interface as you type.
- Requires a modern graphics card with WebGPU support for the local artificial intelligence features to function.
- Not supported on Firefox because of missing browser graphics standards.
- Requires manual installation from source code until the Chrome Web Store listing becomes active.
Paid YouTube optimization tools like VidIQ and TubeBuddy
YouTube Studio for managing your channel and video uploads
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git clone https://github.com/BizMapper/Open-Tube-SEO.git