This is a static website. It has no accounts, no server-side storage and no database.
What you write in the tools is stored only in your browser's local storage (localStorage). It is never sent to me or to any third party. If you switch browsers or devices, or clear your browser data, it cannot be recovered. Use Export to keep backups. Export files are created on your own device.
Interface settings (language, light/dark mode) are also stored only in your browser.
No cookies. This site loads no analytics, advertising or tracking scripts. Fonts and other assets are self-hosted.
Hosting. This site is hosted by Cloudflare. As with any website, the host processes technical information such as IP addresses to deliver pages and keep the service secure. See Cloudflare's Privacy Policy.
Deleting your data. Clear this site's data in your browser settings to remove everything stored locally.