idea2LitBook Engine

Start with an idea
Book options
Opens a full-screen 6" x 9" portrait canvas. Artwork exports directly into the book build as the cover.

Minimum target, not a cap: writing continues until a chapter reaches roughly this length and is never trimmed, so chapters usually run longer.

Choose your API provider

Your key is used only for your generation requests. It is never included in a manuscript, build artifact, URL, or server log.

Get a free Groq key Get a free Cerebras key

Choose a suggested model or enter the provider's exact model ID. You can customize the outline and writing models separately in Book options.

No key saved — paste one below

Get an API key

Remembered keys are encrypted with a non-exportable device key before being stored in this browser profile. This protects stored data from casual disk inspection, but not from malicious code running on this site.

Insert a book image

JPEG or PNG, up to 10 MB each (auto-downscaled if larger). You can select multiple files at once; the chapter, placement, and width settings below apply to all of them.

Frame style

Canvas Mode

Workspace for custom editing your book cover

Cover trim guide ready — artwork exports into the book build
Artwork engine — Excalidraw (MIT)

This product includes software developed at excalidraw/excalidraw and distributed under the MIT License. The full license text ships at apps/server/public/vendor/excalidraw/ in this repo.

Copyright (c) 2020 Excalidraw