This is a browser-based fitness journal. No account or server needed — all data is saved privately in your browser. Choose a PIN and only you can access your journal on this device.
Add recurring daily reminders — 9 PM to log your workout, 11 PM to print and submit before midnight.
Everything you enter is saved only in this browser on this device — nothing is sent anywhere. Think of it like a notes app that lives inside your browser tab.
Your data can be lost if you:
To protect your data, click Export JSON in the toolbar regularly. It downloads a backup file to your device. If anything ever gets wiped, click Import JSON to restore everything instantly.
Your 4-digit PIN is a soft lock for this device. It's hashed (SHA-256 + a random salt) so it isn't stored as plain text, but your journal data itself is saved unencrypted in this browser — anyone with access to this device's developer tools can read it. Don't store anything sensitive here.