Privacy Policy

This privacy policy is for the Mercari JP Finder Extension for Google Chrome Web Store.

1. Information We Do NOT Collect

We do not collect, store, or transmit any personally identifiable information (PII). This includes names, emails, browsing history, or payment info.

2. Information Handled Locally

The Extension processes product identifiers and pricing data locally on your device to perform price comparison calculations. None of this data is sent to a central server.

3. Data Storage

The Extension uses `chrome.storage.local` to store JPY/USD exchange rates for 24 hours to improve performance. This data stays on your machine.

4. Third-Party Services

The extension fetches public data from Mercari JP and public Currency APIs. These services do not receive any information about your identity.