Privacy Policy

Introduction

Welcome to SFT Brain. We respect your privacy and are committed to protecting your personal data. This privacy policy explains how we collect, use, and safeguard your information when you use our Chrome extension and web application.

Information We Collect

1. Information You Provide

• Account Information: Email address, name, and profile picture (when you register or sign in with Google)
• Learning Content: Questions, answers, flashcards, and study materials you create
• Study Progress: Review history, scores, performance data, and learning statistics

2. Information Automatically Collected

• Usage Data: How you interact with the extension and web application
• Browser Information: Browser type, version, and device information
• Authentication Tokens: Stored locally for login persistence and session management

3. Third-Party Services

We may use the following third-party services to enhance your experience:

• OpenAI API: For AI-powered answer evaluation and content generation (if you choose to use it)
• Google Gemini API: For AI-powered content generation and analysis (if you choose to use it)
• Google OAuth: For secure authentication and account management

How We Use Your Information

We use your information to:

• Provide and maintain the SFT Brain service
• Generate AI-powered flashcards from webpage content (Chrome extension)
• Evaluate your answers and provide personalized feedback
• Track your learning progress and schedule reviews
• Personalize your learning experience
• Improve our service based on usage patterns and feedback
• Communicate with you about updates, features, and important changes

Data Storage and Security

We implement industry-standard security measures to protect your data:

• User Data: Stored securely in our encrypted database with access controls
• Authentication: JWT tokens stored locally in your browser for secure session management
• Data Transmission: All data is transmitted over encrypted HTTPS connections
• API Keys: If you provide your own API keys, they are stored securely and used only for your requests
• Regular Updates: We regularly update our security measures to protect against emerging threats

Data Sharing

We do not sell, trade, or rent your personal information to third parties.

We may share data only in these situations:

• With Your Consent: When you explicitly authorize us to share your information
• Service Providers: Third-party AI services (OpenAI, Google) to process your requests when you use AI features
• Legal Requirements: When required by law, court order, or to protect our rights and the safety of our users

Chrome Extension Permissions

Our Chrome extension requests the following permissions:

• activeTab: To extract text from webpages you're viewing (only when you actively click the extension)
• storage: To store authentication tokens and preferences locally on your device

Important: We only access webpage content when you actively use the extension to create flashcards. We do not monitor your browsing activity or collect data from pages you visit.

Your Rights

You have the following rights regarding your personal data:

• Access: Request a copy of your personal data and information we hold about you
• Correction: Update or correct any inaccurate information in your account
• Deletion: Request deletion of your account and associated data
• Export: Download your flashcards, study data, and learning progress
• Opt-out: Unsubscribe from marketing communications (you can still receive important service updates)

To exercise these rights, please contact us at congminqiu@sftbrain.com

Children's Privacy

SFT Brain is not intended for children under 13 years of age. We do not knowingly collect personal information from children under 13. If you believe we have collected information from a child under 13, please contact us immediately so we can delete the information.

Changes to This Policy

We may update this Privacy Policy from time to time to reflect changes in our practices or for legal, operational, or regulatory reasons. We will notify you of significant changes by:

• Updating the "Last updated" date at the top of this policy
• Sending an email notification to registered users (if you have an account)
• Displaying a notice on our website or application

We encourage you to review this Privacy Policy periodically to stay informed about how we protect your information.

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