Logo (ghost with pen)
Writergeist Outline → Full Book

Write a full book offline — with a ghost at your side.

A deterministic, browser-based book builder for authors. Generate a complete draft from outline to chapters to extended prose. No server. No API. No subscriptions.

100% Offline Deterministic (Seed) Commercial use allowed No API keys Instant generation

What you get

  • Single-file offline app (HTML)
  • Genre presets + prose depth
  • Copy / Download full book (.txt)
  • Lifetime license

Best for

  • Rapid drafting (KDP / indie)
  • Plot exploration
  • Writing sprints
Watch the walkthrough

See Writergeist in action (5 minutes)

A detailed demo showing the full flow: setup → outline → full draft.

Tip: if the embedded player doesn’t load, open it directly on YouTube.
Watch on YouTube ↗
Offline first
Runs entirely in your browser. No server calls. Great for privacy and speed.
Deterministic
Same seed + same settings = same book. Perfect for controlled iterations.
Author-friendly
No coding, no prompts gymnastics. UI-driven choices: cast, locations, genre, depth.

How it works

1
Choose your setup
Pick genre, cast, world elements, and seed.
2
Generate outline
A structured outline becomes your “book plan”.
3
Expand into chapters
Chapters become full prose (Light / Medium / Heavy depth).

Why Gumroad?

Gumroad handles secure checkout and instant delivery. After purchase, you can download the ZIP and run Writergeist offline.

Tip: you can bookmark the Gumroad page for updates, receipts, and re-downloads.

Open product in new tab

FAQ

Does it work completely offline?

Yes. The app runs offline in your browser after you download it.

How do I get the app after purchase?

You’ll download a ZIP from Gumroad. Extract it, then open writergeist.html in your browser.

Do I own the text it generates?

Yes — the output is yours to use commercially (per your license terms).

Is there a subscription?

No. It’s a one-time purchase (lifetime license).