Launching Monday, December 14, 2026
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About

Cellbrook makes Google Sheets add-ons for geocoding addresses, managing Google Calendar events, and printing mailing labels from spreadsheet rows.

Cellbrook, made by MRSLM Group LLC, offers Google Sheets add-ons. MapRows geocodes addresses, reverse-geocodes coordinates, calculates distances and travel times, and creates map images. CalendarRows creates, updates and deletes Google Calendar events from sheet rows, and imports events into a new tab. LabelRows turns sheet rows into Google Docs for mailing labels and name badges. Each add-on has a free plan. MapRows and CalendarRows Pro cost $9/month or $59/year. LabelRows Pro is not on sale.