1 Drop a thumbnail you love

🖼

Drop or click to upload

Any thumbnail with the style you want to copy

2 What's the video about?

One line. The most clickable angle of your video — the AI will engineer the hook from this.

3 What's in the thumbnail?

😀 My face

🤖 AI face

📱 Object/Product

🚫 No subject

✨Auto (best)

😲Shocked

🤯Mind blown

😄Excited

🤔Curious

😎Confident

4 Pick a vibe

🎯Match Reference

🔥Vibrant

⚡High Contrast

🧼Clean Minimal

💰Luxury Premium

🎮Tech Futuristic

😈Dark Cinematic

🧩 Add specific elements (your face, product, logo)

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📝 Add text overlay (optional, max 4 words)

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Leave blank for no text. AI image text is unreliable — consider adding text in Photoshop/Canva after.

⚙️ Advanced (platform, what to copy from reference, avoid list)

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Platform

📺YouTube

📱Shorts

📸Instagram

What to copy from reference

Things to avoid

✨

Fill in the 4 inputs on the left and click Generate Master Prompt. Your designer-grade prompt will appear here.

Free Designer-Grade Thumbnail Prompt Generator

Most prompt generators ask 20 questions and produce generic output. This one asks 4 essential questions and outputs a 5-step structured master prompt that forces AI image generators to produce designer-grade thumbnails. Smart defaults handle the rest. Optional advanced controls available for power users.

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4-Input Flow

Drop reference, type topic, pick subject, pick vibe. That's it. Defaults handle the rest.

🎨

7 Vibe Presets

Match Reference (default), Vibrant, Dramatic, Clean, Luxury, Tech, Dark — each with detailed enforcement.

🧠

AI-Engineered Hooks

You give a topic, the prompt instructs AI to engineer the most clickable hook angle automatically.

🧩

Multi-Element Support

Optionally upload your face, products, logos — each gets numbered and referenced precisely.

⚡

One-Click Handoff

Auto-downloads all images + copies prompt + opens AI tool. Just drag and paste.

📱

Multi-Platform

YouTube (16:9), Shorts (9:16), or Instagram (1:1) — prompt adjusts dimensions.

YouTube Thumbnail Prompt Generator