Privacy and trust

Lastbook works offline after setup. Your library and AI conversations stay on your computer.

The app works offline after setup

Setup downloads your chosen library and optional AI model. After setup, the library and AI run on your computer. There is no account to make.

What you save in Lastbook stays on your computer.

You can check: turn off Wi‑Fi and open Lastbook. Everything works the same.

This site doesn’t track you

• No cookies.
• No analytics or tracking scripts.
• No fonts, scripts or pictures from other companies. Everything on these pages comes from lastbook.org.

The buying guide contains Amazon affiliate links. If you click one, Amazon receives the request and its own privacy and cookie policies apply. Lastbook may earn a commission on qualifying purchases.

The site is hosted by Vercel, and the download files are stored on Cloudflare. Like any web host, they may keep standard request logs, such as IP addresses. We don’t add anything on top.

App signing

The Mac app is signed with our Developer ID and notarized by Apple. The Windows app and installer are signed. Your computer may ask you to confirm opening a downloaded app.

What to click on a Mac · What to click on Windows

Check your download

Optional. You can skip this. Each file has a SHA-256 code. If yours matches, the file you got is exactly the one we made.

See the codes and how to check

Questions

Email hello@lastbook.org.