Privacy Policy

プライバシーポリシー

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Last updated: January 2025

Overview

"FuriNews" is a browser extension that adds furigana (reading guides) to Japanese text on news websites. This extension is designed for Japanese language learners.

Key Point: We do not collect, store, or transmit any personal data. All processing happens locally on your device.

Data Collection

We do not collect any data. Specifically:

How the Extension Works

  1. The extension reads text content from Japanese news article pages.
  2. All Japanese text analysis (tokenization) is performed locally using the kuromoji.js library bundled with the extension.
  3. Furigana annotations are added directly to the page DOM.
  4. Your settings are stored locally in Chrome's storage API and never transmitted.

Permissions Explained

Permission Purpose
activeTab Required to access and modify the current page content to add furigana.
storage Required to save your preferences (on/off state, color mode) locally.

Third-Party Services

This extension does not use any third-party services, APIs, or analytics.

Data Storage

The only data stored is your local preferences:

This data is stored locally using Chrome's storage.local API and is never transmitted.

Changes to This Policy

If we make changes to this privacy policy, we will update the "Last updated" date at the top of this page.

Contact

If you have questions about this privacy policy, please create an issue on our GitHub repository.