Privacy Policy

Last Updated: November 2, 2025

1. Introduction

Welcome to TabNook ("we," "us," or "our"). We are committed to protecting your privacy and ensuring the security of your personal information. This Privacy Policy explains how we collect, use, store, and protect your information when you use our web-based dashboard service and Chrome browser extension (collectively, the "Service").

By using TabNook, you agree to the collection and use of information in accordance with this policy. If you do not agree with this Privacy Policy, please do not use our Service.

2. Information We Collect

2.1 Account Information

When you create a TabNook account, we collect:

• Personal Information: First name, last name, and email address
• Authentication Information: Encrypted password (never stored in plain text)
• Account Preferences: Settings and customization choices

2.2 Usage Data

We automatically collect certain information about your use of the Service:

• Dashboard Content: Topics, pages, widgets, links, notes, todos, and other content you create
• Activity Logs: Login times, feature usage, and interaction patterns
• Device Information: IP address, browser type, operating system, and device identifiers
• Location Data: General location information (if you provide it for weather features)

2.3 Chrome Extension Data

When you install and use the TabNook Chrome Extension, we collect and process additional information to provide extension functionality:

Authentication Data

• Email Address: Used to authenticate your extension login
• User ID: Stored locally in the extension to maintain your login session
• Login Credentials: Passwords are never stored in the extension; only validated during login

Content Data Collected by Extension Features

• VideoDigest Feature:
  • YouTube video URLs and titles from videos you choose to save
  • Video transcripts (when available) for AI summarization
  • Generated AI summaries stored on our servers
• Add Link Feature:
  • Page URLs and titles from webpages you choose to save as bookmarks
  • Link text from specific links you save
• Add Note Feature:
  • Selected text from webpages you choose to save as notes
  • Page titles and URLs where text was selected
• Add Task Feature:
  • Selected text from webpages you choose to save as todo items

Technical Data

• Browser Information: Chrome version and extension version
• Active Tab Information: Current page URL and title (only when you actively use a feature)
• Extension Usage: Which features you use and when

Permissions Used by Chrome Extension

The TabNook Chrome Extension requests the following permissions:

• contextMenus: Add right-click menu options for quick actions
• activeTab: Access current page title and URL only when you use a feature
• storage: Store your login state locally in the extension
• notifications: Show success or error messages when you save content
• scripting: Extract YouTube video transcripts for AI summarization
• Host Permissions:
  • tabnook.com - Communicate with TabNook servers
  • youtube.com - Extract video transcripts for VideoDigest feature
  • http://*/* and https://*/* - Allow saving content from any webpage you visit

3. How We Use Your Information

We use the collected information to:

• Provide, operate, and maintain the Service (web dashboard and Chrome extension)
• Authenticate and authorize your access to your account
• Process and save content you choose to add via the Chrome extension
• Generate AI summaries of YouTube videos you save through VideoDigest
• Save bookmarks, notes, and todos you create through the extension
• Save your preferences and settings across devices
• Improve and personalize your experience
• Monitor and analyze usage patterns to improve the Service
• Detect, prevent, and address technical issues and security threats
• Respond to your inquiries and support requests
• Send service-related notifications (account changes, feature updates)

4. How We Store and Protect Your Information

4.1 Data Storage

• Account Data: Stored securely in our MySQL database with encrypted passwords
• Extension Login State: Stored locally in Chrome's extension storage on your device
• User Content (links, notes, todos): Stored encrypted on our servers
• YouTube Transcripts: Processed through our AI service and discarded; only summaries are stored
• User Settings: Stored in our database and encrypted when sensitive

4.2 Security Measures

We implement appropriate technical and organizational security measures, including:

• Encrypted password storage using industry-standard hashing algorithms (bcrypt)
• Secure HTTPS connections for all data transmission between extension and servers
• Regular security audits and updates
• Access controls and authentication mechanisms
• Encrypted storage of sensitive user data
• SQL injection and XSS prevention measures
• Server-side validation of all extension requests

5. Data Sharing and Disclosure

We do not sell, trade, or rent your personal information to third parties. We may share your information only in the following circumstances:

• With Your Consent: When you explicitly authorize us to share your information
• AI Service Provider: YouTube video transcripts are sent to our AI provider (xAI/Grok) solely for generating video summaries; transcripts are not stored by the AI provider
• For Legal Reasons: When required by law, subpoena, or other legal process
• To Protect Rights: When necessary to protect our rights, property, or safety, or that of our users
• Business Transfers: In connection with a merger, acquisition, or sale of assets (users would be notified)

7. Third-Party Services

TabNook integrates with third-party services, including:

• Google APIs: Gmail API and Google Calendar (embedded iframes)
• xAI/Grok: AI service for video summarization (transcripts only, not stored)
• OpenWeatherMap: For weather data
• Quote APIs: For inspirational quotes
• Stripe: For payment processing (if you subscribe to premium features)

These third-party services have their own privacy policies. We recommend reviewing their policies to understand how they handle your data.

8. Cookies and Local Storage

We use cookies and browser local storage to:

• Maintain your login session on the web dashboard
• Store your preferences and settings
• Remember your Gmail access token (stored only in local storage, not in cookies)
• Store your Chrome extension login state locally
• Improve your user experience

You can control cookies through your browser settings, but disabling them may affect functionality.

9. Data Retention

• Account Data: Retained for as long as your account is active
• Usage Data: Retained for analytical purposes, typically 12-24 months
• Extension Login State: Stored locally on your device; cleared when you log out
• Extension-Saved Content: Stored as long as your account is active; deleted when you delete the content or your account
• Video Transcripts: Not stored; discarded immediately after AI summary generation

You may request deletion of your account and associated data at any time by contacting us at support@tabnook.com.

10. Your Rights and Choices

You have the right to:

• Access and review your personal information
• Correct inaccurate or incomplete information
• Delete your account and associated data
• Export your data
• Uninstall the Chrome extension at any time
• Opt-out of non-essential data collection
• Request information about what data we have collected about you

11. Children's Privacy

TabNook is not intended for use by children under the age of 13. We do not knowingly collect personal information from children under 13. If we become aware that we have collected information from a child under 13, we will take steps to delete such information.

12. International Users

TabNook is hosted in the United States. If you are accessing the Service from outside the United States, please be aware that your information may be transferred to, stored, and processed in the United States.

13. Changes to This Privacy Policy

We may update this Privacy Policy from time to time. We will notify you of any changes by posting the new Privacy Policy on this page and updating the "Last Updated" date. We encourage you to review this Privacy Policy periodically.

14. Contact Us

If you have questions or concerns about this Privacy Policy or our data practices, please contact us at:

Email: support@tabnook.com
Website: https://tabnook.com