Last Updated: June 2026
Profit Margin Calculator is a Chrome browser extension designed to help online sellers, dropshippers, and eCommerce merchants calculate profit margins, return on investment (ROI), and break-even prices.
We respect your privacy and are committed to protecting your information.
Profit Margin Calculator does not collect, store, transmit, or sell personal information.
The extension does not collect:
The extension may store the following information locally on your device using Chrome Storage:
This information remains on your device and is not transmitted to any external server.