Your information stays with you

Information you enter

Birth details entered into the Age in Seconds calculator are processed in your browser. They are not submitted to or stored on our server.

Local browser storage

The site may use local browser storage to remember clock preferences and your best Beat the Clock results. This information stays on your device and can be removed through your browser settings.

Advertising and analytics

The launch version does not include advertising or third-party analytics. If advertising or analytics are added later, this notice and any required consent controls will be updated before those services are activated.

Location access

The site does not request GPS location. It may read the time-zone setting already provided by your browser to choose a useful starting clock.