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YouTube Description Optimizer

Rewrite your description for SEO and readability.

Free · No sign-in required
Go deeper
Run a real video through the full ViralHookAnalyzer.

Paste any YouTube, TikTok or Shorts link and get benchmarks, retention curves, and rewrites — grounded in your actual footage.

Analyze a video free
Examples
Best practices
  • Put the primary keyword in the first 25 words.
  • Include chapters — they boost session time and viewer control.
  • Never paste the same description across videos.

Frequently asked questions

How long should a YouTube description be?+

150-300 words is the sweet spot for SEO without hurting scannability.

Do descriptions still matter for ranking?+

Yes — they still feed YouTube's semantic understanding of the video and affect suggested-video placement.

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