Privacy Policy for Waifu Engine

Last updated: April 8, 2026

1. Information We Collect

Waifu Engine collects the following information:

• Google Account Email: Used to identify your account for cloud synchronization
• GIF Files: Uploaded to your Google Drive for backup and sync across devices
• GIF Settings: Window positions, opacity, speed settings stored in Google Drive

2. How We Use Your Information

• To synchronize your GIF settings across multiple Mac devices
• To back up your GIF files to your Google Drive
• To authenticate your identity for cloud services

3. Data Storage

All data is stored in your personal Google Drive account:

• GIF files: Stored as {UUID}.gif files
• Settings: Stored as WaifuEngine_gifs.json

We do not store any data on our servers. All data remains in your Google Drive.

4. Data Sharing

We do not share, sell, or transfer your data to any third parties. All data stays within your Google account.

5. Security

We use OAuth 2.0 for secure authentication. Your credentials are never stored on our servers. Access tokens are stored securely in your Mac's Keychain.

6. User Rights

You can:

• Revoke access anytime via Google Account settings
• Delete all data by removing files from Google Drive
• Sign out from the app to remove local tokens

7. Contact

For privacy concerns, contact: godofwarvetri999@gmail.com