Thumbfa.st

Thumbfa.st

5|0 reviews|0 favorites
Visit website
Introduction
AI-powered YouTube thumbnail generator that creates scroll-stopping thumbnails in seconds.
Listed on
July 24, 2026
FreeWebsiteAI ArtAI Image EditingAI Portrait GenerationAI Style TransferAI Text to Image
Thumbfa.st product preview
Visit website

What is Thumbfa.st?

Thumbfa.st is an AI-powered tool designed specifically for YouTube creators to generate professional, high-converting thumbnails. It maintains consistent face likeness across thumbnails, allows copying styles from existing thumbnails, and supports A/B testing with multiple variations. The tool is built to save time and improve click-through rates.

How to use Thumbfa.st?

  • 1. Sign up for free (no credit card required). 2. Upload your face photos to create a Person profile. 3. Paste YouTube URLs to save thumbnail styles you love. 4. Write a simple prompt describing your thumbnail, select your Person and Inspiration, and choose the number of variations (1-4). 5. Click generate, preview the thumbnails, download the winner, and upload to YouTube.

Core features of Thumbfa.st

  • AI thumbnail generation with up to 4 variations at once
  • Face consistency: upload once, use forever
  • Inspiration Library: copy style from any YouTube thumbnail
  • Drawing to thumbnail: sketch your layout and AI follows it
  • A/B testing: generate multiple options to test
  • Built-in pixelate tool to bypass AI restrictions
  • Automatic saving of version history
  • Exports at YouTube's exact 1280x720 resolution

User reviews

5.0

/ 5

0 reviews

5 stars
0
4 stars
0
3 stars
0
2 stars
0
1 stars
0

No reviews yet. Be the first to write one.

Similar products

Thumbfa.st Embed

Add a website badge to show your product on Hootool—help others find the right AI tool for their problem. Easy to place on your homepage or footer.

Featured on

Hootool.ai