Channelvox
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Score your YouTube hook before you publish

The first 15 seconds decide whether viewers stay. Paste your opening — get a retention score, see exactly what's holding it back, and get a stronger rewrite.

20 characters minimum. We score the opening for scroll-stopping power and rewrite it stronger.

3 free scores per hour · 10 per day · no signup required

01

Paste your opening

The first 10–15 seconds of your script — what viewers hear first.

02

Get a retention score

0–100, with the hook mechanism and what's helping vs. hurting.

03

Get a stronger rewrite

A sharper version of your hook you can use right away.

Want every script to open this strong?

This tool scores one hook. Channelvox generates 5 scored hook variants for any topic, writes the full script in your voice, and breaks it into ready-to-post Shorts.

Get 2 free scripts/month →No credit card required.