A moment to check in
Five short questions. Skip anything that doesn't fit.
Entries stay in this browser, not an online account.
Your check-in is saved.
You can return whenever it feels useful. There is no streak to maintain.
Your patterns DEMO DATA
What your entries show, without judgment.
Your story begins with a single check-in
Your mood patterns will take shape as you record how you feel. You can return whenever it feels useful; there are no streaks or deadlines.
Mood over time
Emotions recorded
Circumstances recorded
What your entries suggest
These observations describe associations in your recorded entries, not causes, diagnoses or predictions. Days without entries are not assumed to be good or bad days.
My diary
Review, edit or remove your check-ins.
Privacy & backup
Keep control of your diary.
Entries are stored in this browser. Back up your diary regularly and review what you choose to share.
Preview six weeks of mood patterns
Load approximately 50 fictional check-ins to explore the graphs, emotional patterns and diary history. Demo entries are stored separately from your personal diary and are never included in your encrypted backup.
No demo entries loaded.
Encrypted backup
Download a password-protected backup of all your entries. Keep the password safe: Zoom Psychology cannot recover it.
Encryption uses AES-GCM with a password-derived key (PBKDF2). The backup is created on your device. Choose a unique, strong password.
Restore an encrypted backup
Restoring merges entries by their unique identifiers. If an identifier already exists, the restored entry replaces it.
Delete local diary
Remove all diary entries from this browser. This cannot be undone unless you have a backup.
Browser storage is not a secure vault. Avoid using this diary on shared devices. Entries are not automatically synchronised or backed up. No diary entries are submitted to the website by this tool.