Your data stays local
Anything you save on this site is stored in your browser’s local storage only. We do not upload, sync, or keep copies of your files or tool inputs on our servers.
Processing happens in your browser unless a tool page clearly says otherwise. If a feature ever needs to send data elsewhere, that will be stated on the page before you use it.
You do not need an account to use ReallyUseful.Tools. There are no sign-ups, profiles, or login systems.