The numbers you type never leave your device

What happens to your numbers

• Your device does all the math. The page sends no number to a server.
• The page keeps the numbers you type in the address of the page, for example ?income=60000. This lets you share a link. The address stays on your device until you share it.
• The page has no ads, no account and no cookies.
• The page stores nothing about you in your browser or on a server.
• Cloudflare, the host of this page, measures how fast the page loads (Cloudflare Web Analytics). It counts page visits. It does not get the numbers you type.
• If the page has an error, it sends an error report to the server. The report has no number that you typed and no personal data.