All data is encrypted and stored in your browser's local storage. It never leaves your device. If you clear your browser data, your Cache data will be lost unless you have exported a backup.
There is no password recovery. Your password derives the encryption key for your data. Without it, your data cannot be decrypted. Export backups regularly and store your password securely.
Use the Export button (in the app menu) to download an encrypted JSON backup. You can restore it later with the Import button.
Yes. Export your data from one device and import it on another. There is no automatic sync since all data stays local.
Email peerloomllc@proton.me or open a GitHub issue.