Effective: July 16, 2026 · treediagrammaker.com
Your diagrams
The trees you create are processed entirely in your browser and saved to your own device's localStorage. They are not uploaded to or stored on our servers. Share links encode the diagram in the URL itself — anyone you send a link to can read that diagram, so share accordingly.
What we collect
- Email address — only if you type it into a subscribe or notify form. We use it to send the updates the form describes, and nothing else. Every email includes a way to unsubscribe; you can also just reply and ask.
- Anonymous usage events — basic interactions like "exported a PNG" or "switched mode," without your diagram's content, used to understand which features matter. These are not tied to your identity.
- Server logs — our hosting provider (Vercel) keeps standard request logs (IP address, user agent, timestamps) for security and reliability.
What we don't do
- No advertising, and no selling or renting of any data to anyone.
- No third-party tracking pixels or cross-site analytics scripts.
- No accounts, so there is no profile of you to build.
Payments
If you buy Pro, the payment is processed by Stripe; we never see or store your card details. We keep the email associated with a purchase so we can restore your Pro access.
Data requests
To have your email removed from our list or to ask anything about this policy, contact rpdoyle1@gmail.com.
If this policy changes materially, the date above will change with it and significant changes will be noted on this page.