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Privacy
Reviewed
Short version: no accounts, no cookies, no ads, and the numbers you type stay in your browser.
What you type
Every tool runs in your browser. Your heart rate, age and other inputs are never sent to us. Most tools put them in the page address (like ?bpm=72&age=40) so you can bookmark or share a result, and anyone you send the link to can see those numbers. The heart rate log and the temperature, walking-session and stress/rest diaries keep your readings in this browser instead, never in the address, and your name is not saved. Export your records before clearing browser data. Each diary has a delete button; there is no account or sync. Our visit counter may note a rough range for a typed number (such as 31–90), never the number itself.
Visit counting
We count visits with our own small counter, without cookies or a lasting ID. It records the page, the referring site name, the country, the device type, how far the page was scrolled, which buttons were tapped (for example “App Store”) and rough tap positions on a coarse grid. Your IP address is not stored: visits are counted with a code that changes every day and cannot be traced back to you. Typed numbers are never recorded, only a rough range at most.
Calendar, PDF and CSV files
Calendar files, PDFs and personal diary CSV files are made in your browser and downloaded straight to your device.
Contact email
If you email us, we receive your message and email address and use them only to answer. Please do not send private medical information.
Hosting
The site is hosted on Cloudflare Pages, which processes standard request data to deliver and protect the site.
Questions: contact us.