HowToWritePrompt.in
YouTube Thumbnail-First Workflow · Build & Refine

Viral Thumbnail Prompt Generator

Design your thumbnail before writing your script. 4-step wizard generates a structured brief + ready-to-use AI image prompts for Midjourney & Gemini.

1280×720px hardcoded 30–50% face coverage 3–5 word hook rule 2-color palette only
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What's your video about?

Enter your video title or let AI suggest click-worthy options

Pro tip: Use curiosity gap, numbers, or strong emotion for higher CTR

Select a title ↓

Enter or select a title to continue

50 ? '…' : ''}" — ready!`">

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Thumbnail-First

Design the thumbnail before writing the script — sell the concept visually.

Structured Brief

Get a professional thumbnail brief with composition, palette & text guidance.

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Dual AI Prompts

Ready-to-use prompts for Midjourney AND Gemini/DALL-E 3 at 1280×720px.

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Style & Emotion

Define the visual language of your thumbnail

Photo for consistency

Logo watermark overlay

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Render Hook Text on the Thumbnail Image

Instruct the AI to draw the text directly on the image. Turn off to keep it as a clean background.

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Thumbnail Brief

Review and edit before generating the final prompt

Video Title

Instruct AI to draw text directly on image

Primary

Accent

Background

📸 Live Preview Mock

Dynamic 16:9 ratio visual representation

14:23

Prompt Studio

Your thumbnail prompts are ready — copy and run in your generator

1280 × 720 px 16:9 aspect ratio PRD rules enforced
midjourney-prompt.txt
gemini-dalle3-prompt.txt

Negative Prompt (use with --no)

Pro Tips from the AI

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Thumbnail done? Now write the video hook.

Use your thumbnail style to craft a matching video intro hook and CTA. Your thumbnail already defines the emotional promise — your script should deliver it.

⚡ Write Video Hook

📸 Live Preview Mock

Dynamic 16:9 ratio visual representation

14:23