Frequently Asked Questions
💾 Where is my data?
In your browser – not in the cloud.
📴 Does it work offline?
Yes!
🔄 Different device?
Export/Import (.zt2d)
💰 Is it free?
Yes, completely free.
🔐 Registration required?
No.
🌐 Which browsers?
Chrome, Firefox, Safari, Edge
📱 Is there an app?
Add to home screen
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