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Hook Strength Checker
Score any hook across 7 viral dimensions.
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 freeExamples
Best practices
- Lead with a specific number, name or claim — vagueness kills retention.
- Create a curiosity gap in the first 3 seconds and don't close it until the payoff.
- Pair emotion with novelty — surprising + emotionally resonant beats either alone.
- Match hook energy to platform: TikTok/Shorts = tighter, YouTube = deeper promise.
Frequently asked questions
How does the Hook Strength Checker work?+
It scores your opening line across 7 viral dimensions — curiosity, clarity, emotion, pattern interrupt, urgency, novelty and an overall viral score — using the same psychological framework our full analyzer applies to top-performing videos.
Is it free?+
Yes. No sign-up, no paywall. Score as many hooks as you want.
How is the score calculated?+
Each dimension is graded 0-100 by an AI trained on viral hook patterns. The overall score is a weighted blend that mirrors real retention and click-through curves.
Will it rewrite my hook?+
Yes — you get 5 stronger alternatives with a note on why each version is sharper.
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