Privacy Policy
Last updated 20 September 2026
What you type stays with you
Names, heights and other values you enter on a board are held in your browser while you use the page. HeightViz has no accounts and stores nothing you type in a database. Two things do travel: a share link encodes those values in the link itself, so opening or sharing one sends them to our server as part of the web address, where they appear in ordinary request logs; an embed does the same and its rendered image is cached for a day. Anyone you give a link to can read the values in it. HeightViz does not keep a copy of the links you create.
Browser storage
Two things are kept in your browser's local storage: your “you” height and the boards you save. They never leave your device, they are never sent to analytics, and you can clear them through your browser settings or from the saved-boards page. An image you add to a board is held in the page only, is left out of share links, embeds and saved boards, and disappears when you reload.
Analytics
HeightViz uses Google Analytics 4 to count page views and tool interactions (for example that a comparison was completed, or which unit was chosen). No value you type is sent: not names, heights, weights, ages or search text, and page addresses are sent without their query string, so a share link's contents stay out of analytics. Google's processing is described in its own privacy policy.
Cookies
HeightViz sets no cookies of its own. Analytics, when enabled, may set the cookies described in Google's documentation. Visitors in the European Economic Area, the United Kingdom and Switzerland are not given analytics cookies: HeightViz does not ask for consent, so analytics storage stays off there.
Third-party links
Source links lead to league, zoo, museum, manufacturer and reference sites. Their privacy practices are their own.
Contact
Questions about this policy go to the contact page.