**Last Updated: January 2024**

This Privacy Policy describes how **Zerentalabs** (“we”, “our”, or “us”) collects, uses, and protects information when you use the **Smart Scheduler – AI Calendar Assistant** Chrome extension (“the Extension”, “our Extension”).

## 🔒 Our Commitment to Privacy

We are committed to protecting your privacy. This extension processes data locally in your browser and only accesses your Google Calendar data with your explicit permission for the sole purpose of calendar management.

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## 1. Information We Collect

### 1.1 Authentication Data

When you sign in with Google, we use Chrome’s Identity API to authenticate with Google Calendar. This process:
– Uses OAuth2 authentication provided by Google
– Stores an access token locally in your browser for API access
– We do **not** store your Google account password or credentials
– We do **not** access any data beyond your calendar events

### 1.2 Calendar Data

The Extension accesses the following calendar information:
– **Event Details:** Title, date, time, location, description, attendees
– **Event Metadata:** Event IDs, creation dates, modification dates
– **Calendar Information:** Your primary calendar events

**Important:** All calendar data is accessed directly from Google Calendar API. We do not copy, store, or transmit this data to any external servers.

### 1.3 Local Storage Data

The Extension uses Chrome’s local storage to store:
– User preferences and settings
– Session information (OAuth tokens)
– Temporary data for import/export operations
– No personal information is stored without your consent

### 1.4 Usage Information

We do **not** collect:
– Analytics or tracking data
– User behavior information
– Personal identification information beyond what’s required for calendar access
– Browsing history or other web activity

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## 2. How We Use Your Information

### 2.1 Calendar Management

Your calendar data is used solely for:
– Creating, reading, updating, and deleting calendar events (as requested)
– Displaying your events in the extension popup
– Providing smart time suggestions based on your calendar availability
– Importing and exporting calendar data when you request it

### 2.2 Data Processing

All data processing happens **locally in your browser**:
– Natural language date parsing (AI) runs entirely in your browser
– No data is sent to external servers for processing
– No data is transmitted to third parties
– No data is stored on our servers

### 2.3 Data Storage

All data remains in your control:
– OAuth tokens are stored securely in Chrome’s secure storage
– Calendar data stays in your Google Calendar
– Local preferences are stored in your browser’s local storage
– You can clear all data by uninstalling the extension or using the reset function

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## 3. Third-Party Services

### 3.1 Google Calendar API

The Extension integrates with Google Calendar API to:
– Access your calendar events (with your permission)
– Create and modify calendar events
– Sync calendar data

This integration is governed by [Google’s Privacy Policy](https://policies.google.com/privacy). We only access data you explicitly authorize.

### 3.2 Chrome APIs

The Extension uses Chrome’s built-in APIs for:
– OAuth2 authentication (Chrome Identity API)
– Local storage (Chrome Storage API)
– Notifications (Chrome Notifications API)
– Context menus (Chrome Context Menus API)

All Chrome APIs are subject to [Chrome’s Privacy Policy](https://www.google.com/chrome/privacy/).

### 3.3 External Links

The Extension contains links to:
– **Buy Me a Coffee:** External donation platform (opens in new tab)
– **Zerentalabs.com:** Our website (opens in new tab)

These are external services with their own privacy policies. We are not responsible for their privacy practices.

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## 4. Data Security

### 4.1 Security Measures

We implement security measures to protect your data:
– OAuth2 secure authentication (industry standard)
– All API communications use HTTPS encryption
– No data transmission to external servers
– Local processing of all data
– Secure token storage in Chrome’s secure storage

### 4.2 Data Access

Your data is only accessible by:
– **You:** Through the extension interface
– **Google:** For calendar operations (as authorized by you)
– **Us:** We do not have access to your data

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## 5. Your Rights and Choices

### 5.1 Access and Control

You have full control over your data:
– You can revoke calendar access at any time through [Google Account Settings](https://myaccount.google.com/permissions)
– You can uninstall the extension to remove all local data
– You can clear extension data through Chrome settings
– You can export your calendar data before removing access

### 5.2 Data Deletion

To delete all data:
– Uninstall the extension from Chrome
– Or use the “Reset” function in the extension (deletes calendar events)
– Revoke access in Google Account Settings

### 5.3 Permissions

The Extension requests the following permissions:
– **Storage:** To save user preferences locally
– **Identity:** For Google OAuth authentication
– **Context Menus:** To add “Add to Calendar” option
– **Active Tab:** To access selected text on web pages
– **Tabs:** To open Google Calendar in new tabs
– **Notifications:** To show event reminders
– **Alarms:** To schedule periodic event checks
– **Host Permissions:** To access Google Calendar API, Gmail, and LinkedIn

All permissions are used solely for the Extension’s core functionality.

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## 6. Children’s Privacy

The Extension is not intended for children under 13 years of age. We do not knowingly collect personal information from children. If you are a parent or guardian and believe your child has provided us with personal information, please contact us.

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## 7. Changes to This Privacy Policy

We may update this Privacy Policy from time to time. We will:
– Notify you of any material changes via the extension
– Update the “Last Updated” date at the top of this policy
– Post the updated policy on our website

Your continued use of the Extension after changes constitutes acceptance of the updated policy.

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## 8. International Users

The Extension is provided from the United States. If you are using the Extension from outside the United States, please be aware that:
– Your data may be processed in the United States
– Data is also processed by Google (subject to their privacy policy)
– By using the Extension, you consent to the processing of your data as described in this policy

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## 9. California Privacy Rights (CCPA)

If you are a California resident, you have additional rights under the California Consumer Privacy Act (CCPA):
– Right to know what personal information is collected
– Right to delete personal information
– Right to opt-out of the sale of personal information (we do not sell data)

To exercise these rights, please contact us using the information below.

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## 10. GDPR Compliance (EU Users)

If you are in the European Union, you have rights under the General Data Protection Regulation (GDPR):
– Right to access your data
– Right to rectification
– Right to erasure (“right to be forgotten”)
– Right to restrict processing
– Right to data portability
– Right to object to processing

To exercise these rights, please contact us using the information below.

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## 11. Contact Us

If you have questions, concerns, or requests regarding this Privacy Policy or your data, please contact us:

**Email:** support@zerentalabs.com
**Website:** https://zerentalabs.com
**Support:** https://zerentalabs.com/support

**Company:** Zerentalabs
**Product:** Smart Scheduler – AI Calendar Assistant Chrome Extension

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## 12. Consent

By installing and using the Smart Scheduler Extension, you consent to:
– The collection and use of information as described in this Privacy Policy
– The processing of your calendar data for the Extension’s functionality
– The use of third-party services (Google Calendar API) as described

If you do not agree with this Privacy Policy, please do not use the Extension.

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