The Thumbnail Prompt Generator is one of Kōbō's 14 generators. Where most AI tools spit out one-line summaries, this one returns full, structured drafts you can actually use — multiple sections, named fields, and ready-to-copy formatting.
Whether you're a creator publishing daily, forging here takes seconds — but the output reads like you spent the afternoon on it. Every run is fresh; no two results are alike.
Built mobile-first, with no signup. Free forever for the basics, and crafted with the same care a youtube veteran would give their best work.
Yes. Kōbō gives you 5 free runs per day per tool. Pro unlocks unlimited runs, history and priority forging.
Type any theme — a single word or a paragraph — and the generator returns multi-section, ready-to-use thumbnail prompt generator results in under a second.
Yes. Every output is yours — use it in games, videos, scripts, books, decks, anywhere.
Because we believe AI tools should feel like an atelier, not a casino. Restraint is a feature.