ThumbPrompt – Structured prompt generator for AI thumbnail and poster design

Summary: ThumbPrompt generates structured prompts for YouTube thumbnails and posters compatible with AI tools like Midjourney, Flux, ChatGPT, and DALL-E. It features a face-style prompt builder that preserves the creator’s facial identity, addressing common issues with AI image models altering faces. The tool includes a step-by-step builder, over 100 proven prompt examples, and trending styles, all available for free without login.

What it does

ThumbPrompt creates detailed prompts tailored for AI image generators to produce thumbnails and posters that maintain the original subject’s facial features. It supports multiple AI models and offers guided prompt construction with example templates.

Who it's for

It is designed for creators who generate YouTube thumbnails or posters using AI image tools and need consistent facial likeness in their images.

Why it matters

It solves the problem of AI models altering faces too much, ensuring thumbnails accurately represent the creator’s appearance.