Thumbfa.st
Midjourney for YouTube Thumbnails—your face, every time
Thumbfa.st launched on January 25, 2026 with 427 votes, #30 of 14,585 launches that month and more than 99% of that year's launches.
In plain words
Thumbfa.st is an AI tool that generates YouTube thumbnails by combining a user's face with inspiration from existing thumbnails and custom descriptions. Users input their photo, reference a YouTube thumbnail they like, and describe their vision, then the AI creates custom thumbnails they can iterate on until satisfied. The tool is designed for content creators who need thumbnails quickly and cost-effectively.
written from the facts on this page · September 2026
From the sources
Drop in your face, grab inspiration from any YouTube thumbnail, describe your vision—AI generates it instantly. Iterate until perfect. 100x cheaper than a thumbnail designer.
Generate scroll-stopping YouTube thumbnails in seconds with AI. Face-consistent, style-matching, A/B test ready. Try free. No credit card required.
AI thumbnails that outperform human-made designs. Generate up to 4 variations at once — your face stays consistent, every time. Start from any thumbnail you love. Use it as a template and let our AI slide it into whatever variation you want. Save one face once. Pair it with any inspiration, object, pose or headline. The production results below keep the person recognizable while the thumbnail changes around them. Can't find the right reference? Draw it. Stick figures, boxes and a few annotations are enough — the AI reads your layout and turns it into a finished thumbnail. Every pair below is a real sketch and its real generated result. You spend more time designing thumbnails than editing…from thumbfa.st
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Thumbnail X2025 · thumbnailx.com · ▲47Hey HN! Software engineer here. As an amateur youtuber, I've been struggling with thumbnails, especially since I don't have any design or editing skills. Decided to give it a try and make my own automatic thumbnail generator. Me being an ADHD person, made sure that there's no parameter tuning and shape choosing and fuss like that, just simply give prompt and generate thumbnail. Increased my CTR from 1.2% to 2.3% (faceless fantasy books niche on youtube) Thumbnail X (completely free for now) - https://thumbnailx.com/ Just wanna add that this is by no means a perfect thumbnail…
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