Policy
Privacy
Last updated
The short version: there is no account to create, nothing you type into a tool leaves your device, and this site sets no cookies.
What happens to what you type
Every tool on this site is arithmetic that runs in the page. When you enter a weight, a date, a loan amount or a measurement, the calculation happens in your browser and the figures are never sent anywhere. There is no endpoint here that accepts them. That is a structural fact rather than a promise: the site is a set of prerendered documents with no server-side form handling of any kind.
Some tools put your figures in the address bar, so that a result can be copied or bookmarked as a link. Those values stay in the URL in your own browser. If you paste such a link somewhere public, the numbers in it go with it, which is worth remembering for anything you would rather not share.
What is stored in your browser
One thing: whether you chose the light or dark theme. It is kept in local storage under the key 0-theme so the site does not flash the wrong colours on your next visit. It contains no identifier and is never sent to us. Clearing your browser data removes it.
No cookies are set by this site. There is no advertising script, no analytics script, no tag manager, no session tracking and no fingerprinting.
What the host can see
The pages are served from Cloudflare's network. As with any website, the server that answers a request can see the request: the address of the page, your IP address, your browser's user agent and the time. That information is handled by Cloudflare as part of delivering and protecting the site, and is not combined here with anything else or used to build a profile of you.
Third parties
There are none embedded in these pages today. No fonts, scripts, images or frames are loaded from another company's servers, which is also why the pages load without a consent banner.
This site is likely to carry advertising at some point, because it is free and running it is not. If that happens, or if any form of analytics is added, this page will be updated to say exactly what is loaded and what it collects before it goes live, and the relevant consent controls will be in place.
Children
Nothing here collects personal information from anyone, of any age. The calculators are not directed at children, and the BMI tool in particular uses adult categories that do not apply to them.
Getting in touch
Questions about any of this, or a correction to make, go to hello@zerouploads.com. There is no account to look up, so say which page you mean.
Changes to this policy
The date above is the last time this page changed. Because there is no account and no mailing list, there is no way to notify you of a change other than this page, so it is worth re-reading if you care about the detail.