# Privacy Policy for Tab Grenade

Last updated: May 3, 2026

## 1. Introduction

Tab Grenade ("we", "us", or "our") respects your privacy and is committed to protecting your personal data. This privacy policy will inform you about how we handle your data when you use the Tab Grenade Chrome extension.

## 2. Data Collection and Usage

**Tab Grenade does NOT collect, store, or transmit ANY personal information.**

This extension is designed with privacy as a core principle:
- We do NOT track your browsing history
- We do NOT read the content of your tabs
- We do NOT collect any user identifiers
- We do NOT store any data on external servers
- We do NOT use analytics or third-party tracking

## 3. Information Processed Locally

All functionality of Tab Grenade runs entirely on your local device:
- Tab URLs are read **only locally** to calculate domain statistics
- Tab operations (closing duplicates, sleeping inactive tabs) are performed entirely within your browser
- No data leaves your device at any time

## 4. Permissions Explained

We request only the minimum necessary permissions to provide our functionality:

### `tabs`
- **Purpose**: To count tabs, read tab URLs, and manage tab operations
- **Usage**: Used locally for duplicate detection, domain grouping, and tab cleanup

### `tabGroups`
- **Purpose**: Reserved for potential future functionality
- **Usage**: Not actively used in current version

### `storage`
- **Purpose**: To save your preferences locally on your device
- **Usage**: Data stored with `chrome.storage` never leaves your browser

### Host Permissions (`<all_urls>`)
- **Purpose**: Required to read tab URLs for domain statistics and duplicate detection
- **Usage**: URLs are processed entirely locally and never transmitted

## 5. Data Sharing

We do not share, sell, rent, or trade any data with third parties.

## 6. Security

We take security seriously. Since we don't collect or transmit any data, there is no data at risk of breach.

## 7. Children's Privacy

Tab Grenade does not knowingly collect any personal information from children under the age of 13.

## 8. Changes to This Policy

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

## 9. Contact Us

If you have any questions about this privacy policy, please contact us at:
GitHub: https://github.com/yourusername/tab-grenade

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## 中文说明 (仅供参考)

### 隐私政策摘要

Tab Grenade 是一个完全注重隐私的扩展程序：

✅ **不收集任何数据**
✅ **不追踪你的浏览**
✅ **不读取标签页内容**
✅ **所有处理都在本地设备上进行**
✅ **没有任何分析或第三方跟踪**

### 权限说明

我们只请求提供功能所需的最小权限：

- `tabs`: 本地统计标签数量、检测重复、域名分组
- `storage`: 本地保存你的偏好设置
- 其他权限: 为未来功能预留

### 数据安全

由于我们不收集任何数据，因此不存在数据泄露风险。