Chapterra

Generate a Story Bible for Your Book

Collect story details into a reference you can check while revising. An AI-generated story bible can help you find information, but names, timelines and inferred details still need checking against the manuscript.

Build my story bible
Opens the app. Check the selected mode, account access and job estimate.

Build a reference you can trust

Check each important detail against the text. If the manuscript leaves something uncertain, the reference should preserve that uncertainty rather than inventing an answer.

Know what is in context

Do not assume every chat or editing action automatically includes your whole series. Check what text and reference material the selected feature uses.

Frequently asked

How is manuscript text processed?

AI requests send the text needed for the selected task to a model provider, sometimes through Chapterra’s backend. The own-API-key mode has a separate provider configuration. Do not assume processing happens only in your browser. Review the applicable privacy terms before uploading sensitive material.

Build my story bible

Start with a short sample. Review the current access requirements and estimate in the app.

Build my story bible

More Chapterra tools

ProofreadFix spelling, grammar, and punctuation, free. CopyeditFlow, consistency, and readability. Line EditSentence-level style and polish. Dev CritiquePlot, pacing, and character feedback. Beta Read ReportAI report to review against your book. Writing CoachDiscuss the selected chapter. TranslateTranslate a sample and review it. CowriterExplore revisions from your notes.