Glint AI Privacy Policy

1. Introduction

Glint AI ("we," "us," "our," or "Company") is committed to protecting your privacy. This Privacy Policy explains our privacy practices for the Glint AI browser extension (the "Extension").

Privacy First Philosophy: We believe privacy is a fundamental right. Glint AI is designed with privacy as the core principle - your data stays on your device, period.

2. Data We Collect

2.1 Configuration Data (Stored Locally)

When you configure the Extension, you provide the following information:

• Bio/Personal Profile: Your position, expertise, and background information
• Industry: Your professional industry or field
• Writing Tone Preference: Your preferred communication style (Professional, Casual, Conversational, Thoughtful, Strategic, or Analytical)
• Additional Requirements: Custom instructions or preferences for comment generation

Storage: All configuration data is stored exclusively on your device using Chrome Storage API. This data never leaves your browser.

2.2 API Communication Data

To generate comments, the Extension communicates with our API server. The following data is transmitted:

• Comment Context: The text you're responding to or the webpage context
• Your Configuration Preferences: Only the tone and style you've selected (not your personal bio)
• Platform Identifier: Which platform you're using (LinkedIn, Reddit, X)

What is NOT transmitted:

• Your personal bio or biographical information
• Your industry information
• Any personally identifiable information
• Usernames, email addresses, or account information
• Full webpage content or any data beyond the comment context

2.3 What We DO NOT Collect

• Browsing history or web traffic data
• Analytics or usage statistics (no tracking)
• Cookies or device identifiers
• Email addresses or usernames
• Password information
• Payment information
• Location data
• Camera, microphone, or other sensor data

3. How We Use Your Data

3.1 Configuration Data (Local Only)

Your configuration data is used exclusively on your device to:

• Customize comment generation based on your preferences
• Remember your settings between sessions
• Provide a personalized experience

3.2 API Request Data

Data sent to our API server is used only to:

• Generate contextually appropriate comments based on your preferences
• Improve the accuracy of comment generation
• Ensure the system functions correctly

Data Retention: API servers do not persistently store your request data. Logs may be retained for service debugging and system monitoring (maximum 30 days) but are not associated with any personal identifier.

4. Data Storage & Security

4.1 Local Storage (Chrome Storage API)

• Location: Your browser's local storage on your device
• Encryption: Browser-level encryption via Chrome's native storage
• Access: Only the Glint AI Extension can access this data
• Deletion: You can clear all data by:
  1. Opening Extension options/settings
  2. Clicking "Clear All Data" button
  3. All configuration data will be permanently deleted

4.2 Server Storage

• Minimal: We store only technical logs for system operation
• Anonymized: Server logs do not contain personal identifiers
• Temporary: Logs are automatically purged after 30 days
• Isolated: No link between your request data and your identity

4.3 Security Measures

• HTTPS encryption for all API communications
• No cookies or persistent identifiers
• Regular security audits
• Compliance with Chrome Web Store security requirements

5. Third-Party Services

5.1 What Third Parties Access Your Data?

None. We do not share, sell, or disclose your data to:

• Advertisers
• Data brokers
• Marketing companies
• Analytics services
• Other third parties

5.2 Subprocessors

We use the following services only for the stated purposes:

• Web Hosting Provider: Hosts the API server (data is transmitted via HTTPS)
• Cloud Storage (optional): For system logs and backups (anonymized data only)

6. Data Deletion & User Rights

6.1 Your Rights

You have the right to:

• Access: View all your local configuration data anytime
• Deletion: Delete all your data permanently at any time
• Portability: Your data is stored in standard Chrome Storage format

6.2 How to Delete Your Data

1. Click the Glint AI Extension icon
2. Go to Settings/Options
3. Click "Clear All Data"
4. Confirm deletion
5. All configuration data will be permanently removed

6.3 Data Beyond Your Control

Once a comment is generated and inserted into a comment box, that comment is under the control of the platform (LinkedIn, Reddit, X). We recommend you review generated comments before posting.

7. Children's Privacy

Glint AI is not intended for children under 13 years of age. We do not knowingly collect data from children under 13. If you believe a child has provided data to us, please contact us immediately.

8. International Users

8.1 GDPR Compliance (EU Users)

If you are located in the European Union, you have additional rights under the General Data Protection Regulation (GDPR):

• Right to access your personal data
• Right to rectification
• Right to erasure ("right to be forgotten")
• Right to restrict processing
• Right to data portability
• Right to object

Since we store data locally on your device, you have full control and can exercise these rights by clearing data from your browser.

8.2 CCPA Compliance (California Users)

If you are located in California, you have 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
• Right to non-discrimination for exercising your rights

Glint AI complies fully with CCPA. Your data is stored locally and never sold.

9. Changes to This Privacy Policy

We may update this Privacy Policy periodically. When we do, we will:

• Update the "Last Updated" date
• Notify you through the Extension or other appropriate means
• Obtain your consent if the changes are material

Your continued use of the Extension after changes constitutes your acceptance of the updated Privacy Policy.

10. Contact Us

If you have questions about this Privacy Policy or our privacy practices:

• Email: hisansui@gmail.com
• Mailing Address:
  Glint AI
  [Company Address]
• GitHub Issues: Repository Link

Response Time: We aim to respond to all privacy inquiries within 30 days.

11. Summary of Our Privacy Commitment

12. Plain Language Summary

In Simple Terms:

1. We don't collect much: Just your preferences for how you want to write comments.
2. It stays on your device: Everything is saved in your browser, nowhere else.
3. We don't track you: No analytics, no tracking, no surveillance.
4. No selling data: We never sell or share your information with anyone.
5. You control it: Delete everything with one click anytime.
6. We're transparent: This policy tells you exactly what happens with your data.
7. It's secure: We use encryption and security best practices.

13. Acknowledgments

This privacy policy is written with the philosophy that privacy is a human right. We stand behind these principles and believe in practical privacy protection, not just theoretical promises.

Thank you for trusting Glint AI with your privacy.

Appendix A: Technical Details

A.1 Chrome Storage API

• Used for local configuration storage
• Automatically encrypted by the browser
• Survives browser restarts but not cleared browser data
• Can be cleared through browser settings or Extension options

A.2 HTTPS Communication

• All API requests use HTTPS encryption
• Certificate pinning may be implemented for additional security
• TLS 1.2 or higher required

A.3 Extension Permissions

The Extension requests minimal permissions:

• storage: To save your configuration locally
• activeTab: To detect when you're on supported platforms
• contentScripts: To inject the Magic button on supported platforms
• Host permissions: Only for LinkedIn, Reddit, and X domains

No other permissions are requested or used.

Last Updated: January 22, 2026
Version: 1.0.0