Free tools
Tools for taking custody of your health data
Free, private tools that do real work and never ask for your data. Use one to learn something today, or to bring to your next visit.
Free · No account needed · Your data stays yours
Health Data Exposure Check
Check whether your email appears in known health-data breaches. The check runs on your device, so your address never leaves the page.
OpenLongevity testing planner
Build a vendor-neutral checklist of the tests commonly discussed in longevity medicine, organized by area to bring to your clinician.
OpenThese are how Cellar works, in miniature.
Each tool is built the way Cellar is: it does something useful and refuses to collect your data even when it easily could. Cellar does the same for your records, reading and organizing every lab, scan, and note into one private, source-linked timeline.
Start your vault