1. Introduction
Welcome to Deckzilla ("we," "our," or "us"). We are committed to protecting your privacy and ensuring transparency in how we handle your personal information. This Privacy Policy explains how we collect, use, disclose, and safeguard your data when you use our platform at deckzilla.app.
Deckzilla is an AI-powered language learning platform that transforms Anki flashcard decks into CEFR-aligned reading, writing, and speaking practice tasks.
2. Information We Collect
2.1 Information You Provide
- Account information: When you sign up via Google authentication, we receive your name, email address, and profile picture from Google.
- Uploaded content: Anki deck files (.apkg) you upload for question generation. These files may contain vocabulary, text, and images from your flashcards.
- Practice responses: Your written and spoken answers during practice sessions for the purpose of providing AI-powered feedback.
- Payment information: When purchasing credits, payment processing is handled by Lemon Squeezy. We do not store your credit card details directly.
2.2 Information Collected Automatically
- Usage data: Pages visited, features used, session duration, and interaction patterns.
- Device information: Browser type, operating system, and screen resolution.
- Cookies: Essential cookies for authentication and session management.
3. How We Use Your Information
We use the information we collect to:
- Provide and operate the Deckzilla platform, including generating CEFR-style practice questions from your Anki decks.
- Deliver AI-powered feedback on your reading, writing, and speaking practice responses.
- Manage your account, credits, and purchase history.
- Improve our AI models and question generation quality (using anonymized and aggregated data only).
- Communicate with you about service updates, beta features, and support.
- Ensure platform security and prevent abuse.
4. Data Sharing and Third Parties
We do not sell your personal data. We share information only with the following service providers to operate the platform:
- Google Cloud: AI and text-to-speech services for question generation and feedback.
- Supabase: Database hosting and authentication.
- Lemon Squeezy: Payment processing for credit purchases.
- Vercel: Application hosting and deployment.
Each third-party provider operates under their own privacy policy and data protection obligations.
5. Data Retention
We retain your personal data for as long as your account is active or as needed to provide our services. Uploaded Anki decks are processed for question generation and may be stored to enable future practice sessions. You can request data deletion at any time by contacting us.
6. Your Rights
Depending on your location, you may have the following rights:
- Access: Request a copy of the personal data we hold about you.
- Correction: Request correction of inaccurate data.
- Deletion: Request deletion of your personal data and account.
- Data portability: Request your data in a portable format.
- Objection: Object to certain types of data processing.
To exercise any of these rights, please contact us at the email address listed below.
7. Security
We implement industry-standard security measures to protect your data, including encrypted data transmission (HTTPS), secure authentication via Google OAuth, and access controls on our infrastructure. However, no method of transmission over the Internet is 100% secure.
8. Children's Privacy
Deckzilla is not intended for children under the age of 13. We do not knowingly collect personal information from children under 13. If you believe a child has provided us with personal data, please contact us so we can take appropriate action.
9. Changes to This Policy
We may update this Privacy Policy from time to time. Any changes will be posted on this page with an updated revision date. We encourage you to review this page periodically.
10. Contact Us
If you have questions about this Privacy Policy or your data, please contact us at:
Email: privacy@deckzilla.app