This Privacy Policy describes how Quiz Tube Pro ("we," "our," or "us") collects, uses, and protects your information when you use our Chrome extension. We are committed to protecting your privacy and ensuring transparency about our data practices.
🔒 Our Commitment
We believe in transparent data collection and strong privacy protection. We collect only the information necessary to provide our educational quiz service, store it securely, and never sell or share your personal data with third parties. Your learning progress is stored both locally and on our secure servers to provide the best educational experience.
Information We Collect
Personally Identifiable Information
- Google Profile Data: When you authenticate with Google OAuth2, we receive your email address, name, and profile picture from Google's secure authentication system.
- Purpose: This information is used to identify you, save your quiz progress, and provide personalized learning experiences.
Educational Data
- Quiz Performance: Your quiz answers, scores, completion status, and time taken per question.
- Language Preferences: Your preferred language for quiz content and transcripts.
- Learning Progress: Which videos you've attempted, chapters completed, and overall statistics.
- Video Information: Video IDs, titles, and chapter information for progress tracking.
- Learning Analytics: Accuracy percentages, question counts, and performance trends.
Content Data
- YouTube Video Transcripts: We access the text content of YouTube videos only when you actively request a quiz.
- Video IDs: The specific YouTube videos you choose to quiz on.
❌ What We DON'T Collect
- Passwords or security credentials
- Browsing history outside of quiz interactions
- Location data or GPS coordinates
- Personal communications or messages
- Financial or payment information
- Health information
How We Use Your Information
Core Service Functions
- Quiz Generation: Create personalized questions based on video content
- Progress Tracking: Monitor your learning journey and achievements
- Personalization: Remember your language preferences and settings
- Authentication: Verify your identity and maintain secure sessions
Service Improvement
- Quality Enhancement: Improve quiz generation algorithms
- Bug Fixes: Identify and resolve technical issues
- Feature Development: Develop new educational features
Data Storage and Security
Local Storage (Chrome Extension)
- Authentication Tokens: OAuth2 access tokens and expiry information
- User Preferences: Language settings and interface preferences
- Cached User Data: Temporary storage of user profile information
- User Control: You can clear all locally stored data through Chrome's extension management
Server Storage (Our Database)
- User Accounts: Your email, name, profile picture, and Google ID for authentication
- Quiz Progress: Video IDs, scores, completion status, and learning statistics
- Quiz Attempts: Individual question responses, correctness, and time taken
- Learning Analytics: Overall performance metrics and progress tracking
API Communication
- HTTPS Encryption: All API calls use secure HTTPS connections
- OAuth2 Tokens: Authentication uses Google's secure OAuth2 system
- Data Processing: API requests are processed and relevant data is stored in our secure database
- Secure Transmission: All data is encrypted during transmission and storage
🛡️ Security Measures
We implement industry-standard security practices including HTTPS encryption, secure token management, and database security. Your data is stored both locally (for immediate access) and securely on our servers (for progress tracking and analytics).
Data Retention and Deletion
Data Retention
- Local Data: Stored until you clear it or uninstall the extension
- Server Data: Retained as long as your account is active
- Quiz History: Kept indefinitely to provide learning analytics and progress tracking
- User Accounts: Maintained until you request account deletion
Data Deletion
- Immediate Deletion: Local data can be cleared instantly through Chrome settings
- Account Deletion: Contact us to request complete removal of your server data
- Partial Deletion: Specific quiz attempts or progress can be removed upon request
- Verification Required: Account deletion requires identity verification for security
Data Sharing and Third Parties
No Third-Party Sharing
- No Data Sales: We never sell, rent, or trade your personal information
- No Marketing: We don't share data with advertisers or marketing companies
- No Analytics: We don't use third-party analytics or tracking services
Required Services
- Google OAuth2: For secure authentication (Google's privacy policy applies)
- YouTube API: For video transcript access (Google's privacy policy applies)
- Our Services: For quiz generation, progress tracking, and data storage
Your Rights and Choices
Data Access and Control
- View Local Data: Access your locally stored information through Chrome's extension management
- View Server Data: Access your quiz progress and learning statistics through the extension interface
- Delete Local Data: Remove all locally stored data by uninstalling the extension
- Delete Server Data: Contact us to request deletion of your server-stored data
- Revoke Access: Disconnect Google authentication through your Google account settings
- Opt-Out: Stop using the extension at any time
Privacy Settings
- Language Preferences: Control which languages are used for quizzes
- Progress Tracking: Choose whether to save your learning progress
- Authentication: Control when and how you authenticate with Google
Children's Privacy
Quiz Tube Pro is designed for educational purposes and may be used by students of various ages. However, we do not knowingly collect personal information from children under 13 without parental consent. If you believe we have collected information from a child under 13, please contact us immediately.
Changes to This Privacy Policy
We may update this Privacy Policy from time to time to reflect changes in our practices or applicable laws. We will notify you of any material changes by posting the new Privacy Policy on this page and updating the "Last Updated" date.
Last Updated: August 2025