Private · offline · yours

Your life, in one private place.

Journal, finances, documents, life admin, wellbeing and clear communication — all in one place, encrypted on your device.

Private & offline: Everything you write, store and track stays on your device, encrypted. Nothing is sent anywhere.

Private & Encrypted

Encrypted Journal

Private, searchable, on-device. Locked with your master password.

Journal is locked

Set a master password to start your encrypted journal.

Title

Mood

Entry

Personal Ledger

Finances

Income, expenses, budgets — all on your device.

Income

Expenses

Balance

Type

Monthly Budget

Recent Transactions

Private & Encrypted

Document Vault

IDs, records, evidence — encrypted and private. Photos have location data removed and are resized for you.

Vault is locked

Use your master password to unlock the vault.

Drop or choose a file to encrypt Photos are cleaned and resized automatically. Every file is encrypted before it is stored.

Goals · Deadlines · Recurring

Life Admin

Renew passport, update will, car service — track the things that quietly expire.

Tasks & Deadlines

Goals

Nervous-System Regulation

Wellbeing

Mood check-ins, a breathing reset, and simple regulation tools.

Mood Check-in

4-7-8 Breathing Reset

Tap to start

Quick regulation ideas

·Cold water on face / wrists — dive reflex slows heart rate.
·5-4-3-2-1: name 5 things you see, 4 you feel, 3 you hear, 2 you smell, 1 you taste.
·Bilateral movement — walk, tap knees left/right.
·Slow exhale longer than inhale (parasympathetic trigger).

BIFF Method

Communication

Reframe hostile messages into Brief, Informative, Friendly, Firm replies. Hold boundaries without escalating.

BIFF Reframer

The message you received

What do you need to say? (facts, decisions, requests)

Your BIFF reply

Boundary-Holding Templates

Daybook — your private life admin suite

Daybook brings together an encrypted journal, a personal finance ledger, a document vault, a life admin tracker, wellbeing check-ins and BIFF communication tools in one app that works offline. Everything is encrypted and stored on your device. You do not need an account, and your data never leaves your browser.

Journal

Encrypted, searchable, mood-tagged.

Finances

Ledger + monthly budgets.

Vault

Encrypted files, cleaned photos.

Life Admin

Deadlines, recurring tasks, goals.

Wellbeing

Mood log + 4-7-8 breathing.

Communication

BIFF reframer + boundary templates.

Free through 31 December 2026. Pro unlocks unlimited everything, court pack PDF and cloud folder sync. Information tool only — not financial, legal or medical advice.