What is Poster Cat?
Poster Cat is a free browser-based poster and cover maker for social posts, thumbnails, quote cards, flyers, and promo graphics. It lets you type the message, choose a format, and export a clean PNG without logging in.
No login · no watermark · no uploadA poster machine —
A poster machine —
type and it's done
YouTube thumbnails, Instagram posts & stories, Pinterest pins, quote cards — no template hunting, no layers. Type your text and the image is ready. No membership to hit Download, and the export never carries a watermark.
Everything runs in your browser — nothing uploaded
“
Make something people want. Then say it clearly.
— Poster Cat
One line, five seconds
Verified tool facts
A free poster maker that keeps everything in your browser.
Poster Cat is reviewed as a first-party tool, not a scraped template directory. Platform sizes are checked against published platform recommendations and updated when image specs change.
Updated 2026-06-10 · reviewed by the Poster Cat team
Does Poster Cat upload my images or text?
No. Poster Cat runs in your browser, so text edits and exports stay local unless you choose to share the finished image yourself.
Which poster sizes does Poster Cat support?
Poster Cat includes ready-made formats for YouTube thumbnails, Instagram posts and stories, Pinterest pins, quote cards, flyers, printable posters, and other common marketing graphics.
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