Instead of manually creating calendar entries, users forward an email thread to [email protected], and the service uses AI to identify details such as dates, times, locations, and attendees before adding an event to Google Calendar. The service is intended as a straightforward alternative to feature-heavy scheduling tools, helping users turn relevant messages into calendar events with minimal effort.

fwd2cal supports multiple email addresses, so users can forward messages from different work, personal, or volunteer accounts. New users sign up by emailing the service and following a link to authorize access to their Google Calendar. The service is currently free, though its site notes that pricing could change if operating costs become too high.

Privacy is a stated priority: fwd2cal says it does not store emails or event details, and that email addresses are the only user data it retains. It identifies Google, OpenAI, and Resend as subprocessors.