Thumby AI Thumbnail Post Maker

One line of text → a finished, click-worthy thumbnail in about a minute. • 30+ styles modeled on top creators in your niche — gaming, kids, food, tech, vlog, finance, true-crime • Don't love the first result? Regenerate, switch styles, or tweak with one more line — until it's yours • Credits, not a subscription — start free, then buy credits from $14.99 one-time when you need them. They never expire. 1 credit = 1 thumbnail • Not just YouTube thumbnails: Pinterest pins, carousels, story covers & post art WHY CREATORS SWITCH TO THUMBY Built on what works in your niche Most tools hand you a blank canvas or a blank prompt. Thumby starts from a curated library of looks reverse-engineered from the creators who already win the click — gaming, kids, food, tech, vlog, finance, true-crime and more. You're not guessing what a good thumbnail looks like. You're starting from one. Match a top creator's style in one tap Pick a niche style and Thumby applies its whole visual recipe — composition, contrast, lighting, framing. No prompt engineering, no design degree. Tap, describe, done. Your face, every style Add a photo and Thumby keeps your face consistent across every thumbnail and style, so your channel looks like you. CTR rules baked in Every result follows current best practice — one clear focal subject, bold readable text, mobile-first contrast — so even your first thumbnail comes out tuned to get clicks. Keep what you make Start with 3 free credits on signup — no card required. Every output is yours, commercial use included. HOW IT WORKS 1. Describe your video idea. 2. Pick a niche style (or upload your own look). 3. Get a finished thumbnail in about a minute. Download, or remix into Instagram, Pinterest and carousel formats. Make YouTube thumbnails, Instagram posts and stories, Pinterest pins and carousels — all from one idea, all without a subscription. Download Thumby and make your next thumbnail in about a minute.