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Zerethon Design

Privacy policy

Last updated: 11 November 2026

This policy covers Zerethon Design (design.zerethon.com), the architectural design module of Zerethon. It says what Zerethon Design stores, for how long, and what leaves it. The general Zerethon privacy policy covers your Zerethon account and the rest of the ecosystem.

Your account

You sign in with your Zerethon account. Zerethon Design receives your account id, name, email address and avatar from Zerethon sign-in and stores them with the time of your last sign-in. It never sees your password and does not keep sign-in tokens. You can browse samples and the layout library without an account.

What Zerethon Design stores

  • Projects (signed in): the project name; the brief you entered, such as land size, floors, rooms, style and an optional budget; the region, currency and units; and every saved version of the design, with the sample it started from. Projects are private to you and kept until you delete them. Deleting a project deletes all its versions.
  • Sessions: while you use the site, a session record on our server holds your sign-in state, your network address and your browser’s user agent, for signing in and security. It is removed after the session expires.
  • Server logs: standard web server logs (network address, time, page requested, errors) to keep the service working and secure.

What leaves Zerethon Design

  • Zerethon sign-in: signing in and out goes through Zerethon’s account service.
  • Your avatar is shown from the address your Zerethon account provides, so that host sees the image request.
  • Your projects are not sent to AI models or other third parties. Zerethon Design shows no advertising and uses no third-party analytics or trackers; its fonts and scripts are served from design.zerethon.com itself.

Cookies and browser storage

  • A session cookie and a security (XSRF) cookie, needed to sign in and to protect forms.
  • A cookie with the interface language you chose.
  • In your browser only (local storage): how you arranged the panels of the design studio.
  • If you install the app or visit often: the browser keeps a copy of the offline page, the app icon and the site’s script and style files, so pages load faster. Pages and project data are never stored there.

Your choices

  • Delete a project at any time from My projects.
  • Clear your browser’s storage for design.zerethon.com to remove anything kept there, including the installed app’s files.
  • Manage or delete your Zerethon account in Zerethon Account.

Contact

Questions about privacy: zerethon.com@gmail.com. We will update this page when Zerethon Design changes what it stores or sends.