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I built Miniagen | a free AI thumbnail generator

Hey everyone 👋

I’ve been working on Miniagen.co, a simple tool that generates thumbnails using AI.

The idea came from my own frustration: creating thumbnails takes time, and not everyone wants to spend hours in design tools just to get something decent.

So I built a small tool to make this easier.

What it does:

Generate thumbnails from a title or idea
Fast (a few seconds)
Works for YouTube, social media, etc.
Free to use (no watermark)

Current stage:
Still early, I’m testing and improving based on feedback.

What I’m trying to figure out:

Is this useful enough to become a real product?
What features would make you actually use it regularly?
Would you pay for advanced features (and which ones)?

If you’re a creator or have faced this problem, I’d really appreciate your thoughts 🙏

👉 https://miniagen.co

on April 27, 2026
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