Privacy Policy for YomiMark

Last updated: February 19, 2026

YomiMark ("we", "our", or "the extension") is committed to protecting your privacy. This Privacy Policy explains our practices regarding your data.

1. Data Collection

YomiMark does NOT collect, store, or transmit any user data. All processing of Japanese text (morphological analysis and furigana injection) is performed entirely on your local machine within the browser's context.

2. Data Usage

Since no data is collected, no data is used, shared, or sold to third parties. We do not use any external APIs or servers to process the text you select.

3. Permissions

The extension uses the following permissions solely for its core functionality:

• activeTab: Used only to interact with the text selection on the page you are currently viewing.
• storage: Used only to save your enable/disable status locally on your device.

4. Changes to This Policy

We may update our Privacy Policy from time to time. We will notify you of any changes by posting the new Privacy Policy on this page.

5. Contact Us

If you have any questions about this Privacy Policy, you can contact us via our GitHub repository: https://github.com/toshiki-tech/yomi-mark