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YouTube Hook Generator

Enter your topic and hook style — get three different opening-hook scripts, each with a suggested on-screen action and an AI-estimated retention score.

Try it free — 10 credits, 50 free on signup

What YouTube Hook Generator Does

The Hook Generator takes your video topic (required) and an optional hook type (e.g. question, bold claim, story cold-open), then uses Gemini's fast "lite" model tier in structured JSON mode to return three distinct hook options — each with the actual opening script line, a suggested on-screen action to pair with it, and a retention score comparing the three options against each other in that batch.

Benefits

Three distinct hook angles per request instead of one first-draft attempt.
Each hook pairs a script line with a concrete on-screen action, not just words.
A relative retention score helps you pick between options quickly.
Fast, low-cost model tier — 10 credits per request.
Identical repeat requests are cached at no extra cost.

How It Works

Enter your topic — Describe what the video is about — the hook is written to set up this specific payoff, not a generic intro.
Choose a hook type (optional) — e.g. question-based, bold claim, story cold-open — steers which hook structure the model leans toward.
Generate — On a cache miss, 10 credits are deducted and Gemini (lite tier) returns three structured hook options, each with script, on-screen action, and retention score.
Pick and film — Choose the option that best matches your actual footage/energy, then use the suggested action as filming/editing guidance.

Example

Input: Topic: "I switched from a gas stove to induction cooking" · Hook type: bold claim

Output: 1. Script: "I was wrong about induction cooking for three years." Action: hold up the old gas burner knob, then cut to the induction cooktop. (Retention score: 79) 2. Script: "This kitchen change cut my cooking time in half." Action: split-screen timer comparison. (Retention score: 74) 3. Script: "Everyone told me induction was a downgrade. They were wrong." Action: direct-to-camera, skeptical expression. (Retention score: 70)

Best Practices

Match the chosen hook to what you can actually deliver on screen — a hook promising high energy needs high-energy delivery.
Use the suggested on-screen action as a starting cue, not a rigid script direction.
Keep the hook under roughly 10–15 seconds when filmed — the tool writes for that window, not a long cold open.
Generate a few different hook types for the same topic and compare — question vs. claim vs. story can land very differently depending on your content.
Make sure the hook you pick sets up something the rest of the video actually delivers on.

Common Mistakes

Picking the highest-scoring hook even when it doesn't match your actual filming style or footage.
Writing a hook that promises something the rest of the video doesn't deliver — this causes the retention cliff described in our titles article.
Stretching the hook past 15 seconds — the format is built for a fast open, not a long preamble.
Ignoring the suggested on-screen action entirely — pairing visual with script is most of what makes a hook work.
Using the same hook type for every video regardless of topic — variety keeps a channel's opens from feeling formulaic.

Who Uses This

Creators who struggle with the first 10 seconds of every video
Editors building a cold-open sequence from existing footage
Channels testing different hook structures systematically
Anyone whose retention graph shows an early drop-off

Manual Process vs. YouTube Hook Generator

Aspect	Doing It Manually	With YouTube Hook Generator
Hook drafting time	10–20 minutes of trial lines	Under 10 seconds for 3 options
Visual pairing	Decided separately, often as an afterthought	Script and on-screen action generated together
Comparison basis	Gut feeling	Relative retention score across the batch
Cost to try again	Your time	10 credits (free if cached)

Expert Tips

Film 2 of the 3 generated hooks and A/B them across similar videos if you're unsure which style fits your channel.
Read our channel audit guide's section on retention-graph early drops — it explains exactly what a weak hook looks like in your real analytics.
Pair a strong hook with a thumbnail/title combo that doesn't repeat the same information — see our thumbnail and title guides.
If your niche is calm/educational, a "bold claim" hook type may feel mismatched — try "question" or "story cold-open" instead.

Understanding Your Results

The retention score is a same-batch, AI-estimated comparison of the three generated hooks — not a verified prediction of your actual audience retention, which depends heavily on delivery, editing, and how well the rest of the video follows through on the hook's promise. Use it to shortlist between options, then judge the final pick against your own footage and filming style.

Glossary

Hook: The opening seconds of a video designed to make a viewer commit to watching rather than scrolling past.
Retention: The percentage of a video's duration an average viewer actually watches — a key signal in YouTube's recommendation system.
Cold Open: Starting a video directly in the middle of action or a claim, before any branding or introduction.
Retention Cliff: A sharp early drop in audience retention, often caused by a hook or title that overpromises relative to the content.

Frequently Asked Questions

How long should a hook actually be when filmed?

Roughly 10–15 seconds — the tool writes hook scripts sized for that window, not a longer cold open.

Is the retention score based on my real channel analytics?

No — it's a relative, AI-estimated comparison between the three generated options in that request, not a prediction tied to your specific channel's historical data.

What's the on-screen action field for?

A concrete visual cue to pair with the script line — hooks land better when the visual and the words work together, not just strong writing alone.

How much does this cost?

10 credits per unique topic/hook-type combination, free on identical repeat requests via caching.

Can I use this for Shorts hooks too?

Yes — the same fast-open principles apply, though Shorts need the hook to land in closer to 1–2 seconds. See our Shorts Generator for format-specific structuring.