The Gematria Calculator is a free Chrome add-on designed to assist users in calculating Gematria values for selected text. It supports both English Gematria and Simple English Gematria, making it versatile for different calculation preferences. The add-on provides a straightforward interface that allows users to highlight text and instantly obtain its corresponding Gematria value.

In addition to real-time calculations, the Gematria Calculator includes a built-in datastore feature. This allows users to view, export, and edit their past calculations locally, ensuring privacy as no data is sent to an external database. This tool is particularly useful for individuals interested in exploring the significance of numbers in texts without the need for an internet connection.