NeuroOS Privacy Policy

1. Overview

NeuroOS ("we", "our", or "the extension") is committed to protecting your privacy. This privacy policy explains how NeuroOS handles data when you use our browser extension.

Core Principle: NeuroOS operates on a zero data collection model. All information stays on your local device and is never transmitted to external servers.

2. Data We DO NOT Collect

NeuroOS does not collect, store, transmit, or share any of the following:

• Personally Identifiable Information - No names, email addresses, phone numbers, or identification data
• Browsing History - We do not track, log, or record which websites you visit
• Website Content - We do not read, analyze, or store content from web pages you visit
• User Activity - No keystroke logging, mouse tracking, or behavioral monitoring
• Location Data - No GPS coordinates, IP addresses, or geographic information
• Authentication Information - No passwords, credentials, or login data
• Financial Information - No payment data, credit card numbers, or transaction history
• Personal Communications - No emails, messages, or chat content
• Health Information - No medical data or health-related information

3. Data Stored Locally on Your Device

NeuroOS stores the following data locally on your device only using Chrome's local storage API. This data never leaves your device:

3.1 Focus Session Data

• Session start and end times
• Selected focus template (e.g., Pomodoro, Deep 52)
• Optional session goals you enter
• Session completion status

3.2 User Preferences

• List of websites you choose to block (URLs only)
• Custom focus and break duration settings
• Feature toggles (visual noise reducer, gentle reminders, etc.)

3.3 Productivity Statistics

• Total accumulated focus time
• Number of sessions completed
• Count of blocked site access attempts
• Daily streak counter

4. How We Use Stored Data

The locally stored data is used exclusively for the following purposes:

• Session Management - Maintain active focus sessions even if you close/reopen your browser
• Site Blocking - Block websites you specified during active work sessions
• Statistics Display - Show your productivity metrics in the dashboard
• Personalization - Remember your preferences for focus templates and features

5. Data Sharing and Third Parties

We do not share any data with third parties. Period.

• No analytics services
• No advertising networks
• No data brokers
• No external servers or databases
• No cloud storage or sync services

NeuroOS operates entirely offline with respect to data storage. There are no network requests made to transmit user data.

6. Permissions Explained

NeuroOS requests the following browser permissions. Here's exactly why we need each one:

6.1 Storage Permission

To save your settings, focus sessions, and statistics locally on your device.

6.2 Tabs Permission

To detect when you switch to blocked websites during focus sessions and to open the analytics dashboard.

6.3 Alarms Permission

To schedule timers for focus sessions and break periods that work reliably even if the extension restarts.

6.4 Notifications Permission

To alert you when focus sessions start, end, or when break time begins.

6.5 DeclarativeNetRequest Permission

To block access to distracting websites during active focus sessions by redirecting them to a reminder page.

6.6 Host Permissions (All URLs)

To inject content scripts for visual noise reduction features and to allow site blocking rules to work on any website you choose to block.

7. Data Security

Since all data is stored locally on your device:

• Your data is protected by your browser's security mechanisms
• No data transmission means no risk of interception
• No servers means no risk of data breaches
• You have full control - uninstalling the extension deletes all data

8. Data Retention and Deletion

You are in full control of your data:

• Data is stored indefinitely on your device until you choose to delete it
• You can clear statistics and session history from the extension settings at any time
• Uninstalling the extension automatically deletes all stored data
• Clearing browser data will remove extension storage

9. Children's Privacy

NeuroOS does not knowingly collect any information from anyone, including children under 13. Since we don't collect any data at all, the extension is safe for users of all ages.

10. 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. If we make significant changes to our data practices, we will notify users through the Chrome Web Store listing.

11. Your Rights

Since all data is stored locally on your device, you have complete control:

• Right to Access - You can view all stored data in the extension dashboard and settings
• Right to Delete - You can delete all data by uninstalling the extension or clearing browser data
• Right to Modify - You can change your settings and preferences at any time
• Right to Export - Your data stays on your device and is accessible through browser developer tools if needed

12. Open Source Transparency

NeuroOS is committed to transparency. You can review our source code to verify our privacy claims. All code is available for inspection, and we encourage security researchers to audit our extension.

14. Consent

By installing and using NeuroOS, you acknowledge that you have read and understood this privacy policy. Since we do not collect any data, there is no additional consent required beyond the standard browser extension permissions.