furigana.it does not collect, store, or transmit any personal data.
All processing happens locally in your browser. Japanese text is tokenized using a dictionary bundled with the extension — no text is ever sent to a server.
The extension does not communicate with any remote servers and does not use cookies, analytics, or tracking of any kind.
The source code is publicly available on GitHub for inspection.
-
Access to website content — required to annotate Japanese text on pages where the user activates the extension. No page data is collected or transmitted.
-
Context menus — required to add the right-click "Add furigana" option.
For questions or issues, visit: