# Privacy Policy for WaterMinder - Hydration Reminder & Tracker

**Last updated**: October 26, 2025

## Overview

WaterMinder is committed to protecting your privacy. This privacy policy explains how the extension handles data.

## Data Collection

**WaterMinder does NOT collect, store, or transmit any personal data to external servers.**

All data remains on your local device and is never sent to us or any third party.

## Information Stored Locally

The extension stores the following information locally on your device using Chrome's storage API:

- **Reminder settings**: Your chosen interval, notification type, sound preferences
- **Water intake count**: Daily glass count for tracking purposes
- **Schedule preferences**: Active hours and scheduling settings
- **Customization options**: Custom messages, volume levels, and other preferences

This data is stored solely on your device and is accessible only to you.

## Permissions Explained

The extension requires the following Chrome permissions:

### Alarms Permission
- **Purpose**: To schedule periodic water reminders at your chosen intervals
- **Usage**: Creates Chrome alarms that trigger notifications

### Notifications Permission
- **Purpose**: To display reminder notifications
- **Usage**: Shows popup notifications, plays sounds, or displays full-screen reminders based on your settings

### Storage Permission
- **Purpose**: To save your settings and preferences locally
- **Usage**: Stores all configuration data on your device using Chrome's local storage API

### Offscreen Permission
- **Purpose**: To play notification sounds
- **Usage**: Creates an offscreen document for reliable audio playback in Chrome extensions

## Data Sharing

**We do not share, sell, or transmit any data because we do not collect any data.**

All functionality works entirely on your local device. There are no analytics, tracking, or data collection mechanisms in this extension.

## Third-Party Services

WaterMinder does not use any third-party services, analytics tools, or advertising networks.

## Data Deletion

Since all data is stored locally on your device, you can delete all extension data by:

1. Uninstalling the extension from Chrome, OR
2. Going to `chrome://extensions/`, finding WaterMinder, and clearing storage

## Children's Privacy

WaterMinder does not knowingly collect any information from anyone, including children under 13. The extension does not require any personal information to function.

## Changes to This Privacy Policy

We may update this privacy policy from time to time. Any changes will be posted on this page with an updated "Last updated" date.

## Chrome Web Store Compliance

This extension complies with the [Chrome Web Store User Data Privacy Policy](https://developer.chrome.com/docs/webstore/program-policies/).

## Data Usage Certification

- ✅ No remote code execution
- ✅ No data collection or transmission
- ✅ No tracking or analytics
- ✅ No third-party services
- ✅ All data stored locally
- ✅ Open source code for transparency

## Contact

If you have any questions about this privacy policy or the extension, please:

- Open an issue on [GitHub Repository](https://github.com/alii13/WaterMinder)
- Email: [Your Email Address]

## Open Source

The complete source code for WaterMinder is available on GitHub for transparency and community review:
https://github.com/alii13/WaterMinder

## Your Consent

By using WaterMinder, you consent to this privacy policy.

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**Summary**: WaterMinder is a privacy-focused extension that stores all data locally on your device and never collects, transmits, or shares any information. Your privacy is our priority.