Table of Contents

• 1. Introduction
• 2. Information We Collect
• 3. Information We Do Not Collect
• 4. How Information Is Processed
• 5. Disclosure to Third Parties
• 6. Permissions Used
• 7. Security
• 8. Children’s Privacy
• 9. Changes to This Privacy Policy
• 10. Developer Information
• 11. Contact

1. Introduction

“Gazou Mimamori | Sensitive image filter for X” (the “Extension”) is a Chrome extension that automatically detects and blocks uncomfortable or explicit images displayed in your X (formerly Twitter) timeline and direct messages.

This page explains what information the Extension handles and how that information is treated.

For an overview of the Extension, please see the 📖 Gazou Mimamori overview PDF.

For instructions on how to use the Extension, please see the 📖 User Manual.

2. Information We Collect

The Extension collects and processes the following information.

Type of information	Purpose	External transmission
Image data displayed on X	To determine whether an image is uncomfortable or explicit, processed only inside your browser	None
Extension settings (enabled/disabled status and sensitivity threshold)	Saved in Chrome local synced storage	None

3. Information We Do Not Collect

The Extension does not collect, record, or transmit the following information.

• Information that can identify you personally, such as your name, email address, or home address
• Your X account information or login credentials
• Your browsing history, post content, or direct message content
• The image data itself after judgment
• Logs of judgment results or scores

4. How Information Is Processed

All processing by the Extension is completed inside your browser (Chrome).

• Image judgment runs in the browser using the Offscreen Document API
• The AI model (NSFWJS / TensorFlow.js) is loaded in the browser and performs inference locally
• Judgment results are used only to control what is displayed on the screen, and are not saved or transmitted
• Settings (enabled/disabled status and sensitivity) are saved in Chrome storage.sync

5. Disclosure to Third Parties

The Extension does not provide, sell, or share information with any third party.

6. Permissions Used

The Chrome permissions requested by the Extension and the reasons for using them are as follows.

Permission	Reason
storage	To save enabled/disabled status and sensitivity settings in the browser
offscreen	To run AI image judgment in the background
Host access (x.com / twitter.com / pbs.twimg.com)	To retrieve and judge images displayed on X

7. Security

The Extension complies with Chrome Extension Manifest V3. Its Content Security Policy (CSP) prohibits eval and the execution of external scripts. All code is publicly available in the repository for review.

• Source code: GitHub repository

8. Children’s Privacy

The Extension is not intended for children under 13 years of age. It does not knowingly collect personal information from children under 13.

9. Changes to This Privacy Policy

This Privacy Policy may be changed without prior notice. If changes are made, the “Last updated” date at the top of this page will be updated. Important changes may also be noted in the repository README.

10. Developer Information

The developer and operator of the Extension is the following sole proprietor.

11. Contact

If you have questions or feedback about the Extension, please contact us using the information below.

← View the User Manual
← View the GitHub repository