Last Updated: October 2025
Effective Date: October 2025
Introduction
Welcome to MZR Summarizer. This Privacy Policy explains how we collect, use, and protect your information when you use our Chrome extension and related services.
We are committed to protecting your privacy and ensuring transparency about our data practices. This extension is designed with privacy-first principles.
Information We Collect
Data Stored Locally
MZR Summarizer stores the following data locally in your browser:
- API Keys: Review and summarization API keys are stored in Chrome's local storage
- Summary History: Your saved summaries, URLs, and notes (stored locally)
- Settings: Your preferred settings and configurations
- Usage Statistics: Basic usage metrics (optional, stored locally)
Data We Don't Collect
We do NOT collect, store, or transmit:
- Personal identification information
- Browsing history or website content
- IP addresses or location data
- Email addresses or contact information
- Any data that leaves your browser
How We Use Your Information
Any data stored locally is used solely for:
- Providing summarization functionality
- Storing your preferences and settings
- Maintaining your summary history
- Improving extension performance
Data Sharing and Third Parties
We do not share, sell, or transmit your data to any third parties.
Your data remains in your browser and is not sent to our servers or any external services except for:
- API calls to your configured summarization services (Google Gemini, OpenAI)
- These calls are made directly from your browser using your API keys
- We have no access to or control over these third-party services
Data Security
We implement the following security measures:
- All data is stored locally in your browser using Chrome's secure storage
- No data transmission to external servers
- API keys are encrypted in Chrome's local storage
- No logging or tracking of user activities
Your Rights and Choices
You have the following rights regarding your data:
- Access: View all data stored by the extension in Chrome's local storage
- Modify: Update or change your settings and preferences
- Delete: Remove all extension data by uninstalling the extension
- Control: Disable or enable features that use data
Chrome Extension Permissions
MZR Summarizer requests the following permissions:
- activeTab: To access content on the current tab for summarization
- storage: To save your settings and summary history locally
- scripting: To inject summarization functionality into web pages
These permissions are necessary for core functionality and are used only as described.
Third-Party Services
MZR Summarizer integrates with the following third-party services:
- Google Gemini API: For AI-powered summarization (when configured)
- OpenAI API: For AI-powered summarization (when configured)
Your use of these services is subject to their respective privacy policies. We recommend reviewing their policies before use.
Children's Privacy
MZR Summarizer is not intended for children under 13. We do not knowingly collect personal information from children under 13.
Changes to This Privacy Policy
We may update this Privacy Policy from time to time. We will notify users of any material changes by:
- Updating the "Last Updated" date at the top of this policy
- Posting a notice in the extension or on our website
- Updating the extension's manifest file
Compliance
This Privacy Policy is designed to comply with:
- General Data Protection Regulation (GDPR)
- California Consumer Privacy Act (CCPA)
- Children's Online Privacy Protection Act (COPPA)
- Chrome Web Store Developer Policies
Contact Information
If you have any questions about this Privacy Policy, please contact us:
Summary
MZR Summarizer is designed with privacy as a core principle:
- ✅ All data stays in your browser
- ✅ No data collection or tracking
- ✅ No external data transmission
- ✅ Full user control over data
- ✅ Transparent data practices
Thank you for trusting MZR Summarizer with your privacy!