Chaptora — the context-aware AI book editor for non-fiction and fiction authors
The context-aware AI book editor for non-fiction and fiction authors. Every suggestion visible. Every change yours to approve. The AI reads your chapters before it writes a word.
every shelf
Every change,
in red and green.
Select a paragraph. Hand the AI Agent a goal "make this scene tenser," "rewrite for clarity," "shorten to 80 words." The old text turns red and strikethrough; the proposal arrives in green beside it. Accept word by word, or reject the whole thing. The Agent never overwrites your prose without your nod.
Heat pressed down. Maren made for the river, every step a small surrender.
your call.
Your research.
Your voice.
Your book.
Upload your PDFs, paste a URL, drop in a YouTube link. Chaptora extracts, embeds, and indexes everything in your private project library. The AI answers, drafts, and cites only from the sources you give it. A NotebookLM that actually writes.
2Historical_Sources.pdf · Chicago Tribune, 14 Apr 1936
Press / to summon the AI.
One key opens everything: a free AI prompt at the cursor, a citation from your sources, a scene break, an image. No menus to hunt for. No flow to break.
By April, the river had dropped to a ribbon. The eldest men, those who had fished it since boyhood, said they had never seen it so thin. A correspondent from the Tribune called it a slow, inexorable undoing of a place.
The afternoon I rode out with my father, the cottonwoods stood /
Three editions.
No trickery.
Critics' notices.
"The only thing that gives me real structure without making me feel like I'm managing a project."
I've tried Scrivener. I've tried Google Docs. I've tried plain markdown files in a folder I renamed three times. What Chaptora gets right is the thing none of them did. It treats the chapter as the unit of work, not the document. Everything follows from that.
"Made for authors."
I used to lose hours formatting chapters across different tools. With Chaptora, I just write and the structure and export handle themselves. It's the first tool that actually feels like it was made for authors.
"Stopped wrestling."
What sold me was the editor. It's clean, distraction-free, and doesn't fight me on formatting. I finished my first draft weeks earlier than planned because I stopped wrestling with the tool.
"Overview I needed."
The chapter organization is brilliant. Being able to see the full book structure while writing a single chapter gives me the overview I always needed but never had.
A note from the author.
April MMXXVI
I've spent my days writing software and my evenings writing books. The two rarely met. For years I jumped between writing tools: Word, Scrivener, Google Docs, half a dozen Notion templates. The good ones helped me organise. None of them helped me write.
So I built the editor I wished I'd had: one that reads your chapters before it writes a word, and never overwrites a sentence without your nod.
Chaptora is the second of two tools I've built for authors. The first, Publbee, helps self-publishers get their finished book onto Amazon KDP. This one is for what comes before: the long, quiet work of writing it.
Questions, etc.
Begin
your chapter.
Free to start. No credit card. Bring your own research. Leave with a finished book.
Start writing for Free