SafeNotes App - Private Diary
Your thoughts deserve a private place.
A fully offline, encrypted diary. No accounts, no servers, no trackers — your words stay locked to your device with AES‑256 and a PIN only you know.
Built for the way you actually journal.
A focused diary experience — clean to look at, fast to write in, and engineered around a simple promise: nothing leaves your phone.
Clean, calm, distraction‑free.
A simple home feed of every memory you've written. Search by keyword, browse by date, pin favourites — all on a quiet dark canvas designed to fade into the background while you write.
- Search across all entries instantly
- Heart entries to find them again
- Mood tags & writing streak
Every memory, mapped to its day.
Open the calendar to revisit any date — anniversaries, milestones, ordinary Tuesdays. A single tap shows you exactly what you wrote, and lets you add to that day if there's more to say.
- Time‑travel through your story
- Add new entries on past dates
- Year filter for fast browsing
Encrypted backups. A gentle daily nudge.
Export an encrypted .nbk to anywhere you control — Drive, Dropbox, an SD card. Or a PIN‑locked PDF. Plus an optional, opt‑in daily writing reminder so the streak stays alive.
- AES‑256‑GCM backup encryption
- Password‑protected PDF export
- One quiet reminder, your time
A diary that looks like yours.
Five hand‑picked palettes — Classic Blue, Rose Pink, Slate Grey, Forest Green, Royal Violet — light, dark, and system. Calligraphy fonts and emoji support included.
- 5 colour palettes
- Light, dark & system mode
- 10 languages
Some thoughts shouldn't live on someone else's server. They live only on your phone — encrypted, offline, and completely yours.
Built like a vault. Used like a notebook.
The technical guarantees that make our promise possible — verified by the operating system itself, not by good intentions.
SQLCipher AES‑256
Your entire diary database is encrypted at rest with industry‑standard AES‑256 via SQLCipher. The key never leaves your device.
PBKDF2 · 120k iterations
Your PIN is stretched into a key with PBKDF2‑HMAC‑SHA256 at 120,000 iterations — slow on purpose, hostile to brute force.
No INTERNET permission
SafeNotes doesn't declare network access in its manifest. Android's kernel blocks any socket call — even if a library tried.
FLAG_SECURE by default
Screenshots, screen recording, and the system Recents thumbnail are blocked. Optional — you can disable it if you specifically want to share content.
5 attempts → cooldown
Five wrong PIN entries trigger a 10‑minute lockout that survives a force‑close — defeating rapid guessing on a stolen device.
Zero exported components
No other app on your device can invoke SafeNotes' code paths. The app's surface is sealed against inter‑app extraction.
We're LIVE
on Google Play.
A new chapter begins today — and we'd be honoured to be where you write yours. Thank you for the support 💙
GET IT ONGoogle Play
One app. Ten ways it stays yours.
PIN Lock
7‑digit PIN required at every cold start.
100% Offline
No internet permission, ever.
Backup & Restore
Encrypted .nbk files to your folder.
PDF Export
PIN‑locked PDFs of any entry.
Mood Tracker
Tag how you felt with each entry.
Writing Streak
Keep your daily rhythm.
Daily Reminder
Optional, opt‑in, your time.
Home Widget
One‑tap entry from your launcher.
5 Themes
Pick a palette that's you.
10 Languages
EN, HI, ES, PT, AR, FR, DE, RU, JA, ZH.
Start a diary that's truly yours.
Free. No accounts. No internet permission. Yours forever — until you uninstall and forget it ever existed.
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