Privacy Policy for ChatMask - Blur Chat & Privacy Screen

Last Updated: February 2026

ChatMask ("we", "our", or "us") respects your privacy and is committed to protecting it. This Privacy Policy explains our practices regarding the collection, use, and disclosure of information when you use the ChatMask - Blur Chat & Privacy Screen Chrome Extension (the "Extension").

1. Information Collection and Use

We do not collect, transmit, distribute, or sell your data.

ChatMask is designed to operate entirely locally on your device (within your browser). The purpose of the Extension is to modify the CSS and UI styling of the web pages you visit (such as Facebook Messenger, Zalo, Telegram, etc.) to blur or hide chat contents for your personal privacy.

2. Local Storage

The Extension uses your browser's local storage (chrome.storage.local) exclusively to save your personal preferences, such as:

This data is stored locally on your device and is never uploaded to any server. It is only accessible by the Extension for the purpose of maintaining your settings between browser sessions.

3. Permissions Justification

To function properly, ChatMask requires the following browser permissions, and we use them strictly for their intended purposes:

4. Changes to This Privacy 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 and updating the "Last Updated" date.