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YouTube Shorts Script Generator On-device AI

Paste your topic → get a full Shorts script with a 3-second hook, body beats, and CTA. Pick your length (15s, 30s, or 60s). Runs on-device with Chrome Nano — free, private, zero cost.

On-device AI not available. This tool needs Chrome (or Edge, Brave, Arc) with Gemini Nano enabled. First use triggers a one-time ~1.5GB model download.
30s script · 0 words · ~0s read aloud (3 words/sec)

Writing Shorts scripts is the single highest-leverage thing a Shorts creator does — and most creators overdo the intro, underdo the hook, and forget the CTA. This tool uses on-device AI to spit out a structured script: 3-second hook designed to stop the scroll, tight body beats, and a clear CTA. Pick your length and niche, paste your topic, done. Nothing leaves your browser.

What makes a good YouTube Shorts script?

A killer 3-second hook (surprise, question, contradiction, visual payoff promise), tight body with one clear point per beat, and a clear CTA. No throat-clearing intros. Most scripts are too long — aim for 3-4 words per second of runtime.

How long should a YouTube Short be?

YouTube Shorts can be up to 60 seconds. Sweet spots: 15s for high-velocity loops, 30s for value-dense tips, 60s for story arcs. Shorter usually performs better for retention. The tool lets you pick any of these.

Does this really run on my device?

Yes — it uses Chrome's built-in Gemini Nano model. Your topic and script never leave your browser. Zero API calls, zero cost, zero privacy tradeoff. Only requirement is a recent Chromium-based browser with Nano enabled.

Can I use these scripts for TikTok and Reels too?

Yes — the script format (hook, body, CTA) works across YouTube Shorts, TikTok, and Instagram Reels. Durations are close enough that the same script transfers with minor tweaks.

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