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Privacy notice

Updated October 13, 2026

Account and sign-in

We use your email, display name, verification status, language preference and session for account services. Google sign-in uses authorized basic identity information; we do not read Gmail, contacts or Drive.

Accounts and sessions are stored in Cloudflare D1. Cloudflare Email Service sends verification and reset messages. Passwords are hashed, sessions use cookies, and Google tokens are encrypted and used only for authentication.

Books and reading records

Books, positions, drafts and edits stay in this browser. Guest and account libraries are separate. Signing in does not upload books. Copying the guest library retains the original and skips existing or conflicting works. Cross-device book sync is not available yet.

Language preference is saved in local storage and a cookie, and in your account when signed in. Language URLs share this site and its local library. Clearing site data deletes local books; keep originals and export personal editions.

Service records and contact

Necessary request, IP and error records maintain the service and limit excessive sign-in requests. Authentication links, tokens, passwords and book text are not intentionally logged. For privacy or account data requests, contact:

tech.qingyuan@gmail.com