Get a free key at jsonbin.io — create account, go to API Keys, copy Master Key.
Bin ID (auto-generated on first backup)
Save this ID separately after your first backup — it is your unique data store.
About your data
All data is stored locally in Safari's localStorage on this device.
Use Cloud Backup to save a copy to JSONBin.io.
Use Export as JSON to download a local file copy.
Neither option syncs automatically — backup manually after significant changes.