A beautifully simple, secure personal journal. Write freely, attach photos, and keep your memories safe.
Shareware Linux Windows macOS
Diary keeps things simple: a calendar, a rich text editor, and strong encryption. No cloud. No accounts. Just your words, on your machine.
Password protection and AES-256 encryption keep your entries private. Write expressively with rich text formatting and embed photos directly in your entries. Search across everything in seconds.

Lock your diary with a master password. Auto-lock kicks in after a configurable period of inactivity.
Browse entries by date with an intuitive monthly calendar. Dots mark days with entries so you never lose track.
Bold, italic, lists, headings, colors, and more. Write expressively with a full formatting toolbar.
Embed images directly in your entries. Attach multiple photos to capture every moment of your day.
Instantly search across all entries by content, title, or date. Find any memory in seconds.
Supports 14 languages including English, Korean, Japanese, Chinese, French, German, and more.
Your entries are encrypted with AES-256. Data stays local — no cloud, no telemetry, no tracking.
Choose the look that suits you. Switch between light and dark themes from Settings.
Runs natively on Linux, Windows, and macOS. Same experience everywhere, built with Flutter.
A quick tour of the app: from the lock screen to the editor, search, and settings.

Enter your master password to access your entries. Auto-locks after inactivity.

Select a date on the calendar and start writing. Content auto-saves as you type.

Bold headings, colored text, numbered lists, and bullet points at your fingertips.

Attach as many photos as you like. Images are embedded directly in each entry.

Search across all entries by keyword, title, or date with a full list view.

Configure your password, lock timeout, data directory, and theme.
Free to download and use. Available for all major desktop platforms.
Copyright © 2026 Runable.app. All rights reserved.
This software is distributed as shareware (honorware). It is not public domain and not open source.
Permission is granted to copy and redistribute this software free of charge, provided that it is distributed only in its original, unmodified form and that no fee is charged for its distribution.
The software may be used without time limitation for personal, non-commercial purposes. Payment of a license fee is voluntary but encouraged to support continued development.
Commercial use of this software requires the purchase of a commercial license.
Modification, reverse engineering, decompilation, or redistribution of modified versions is strictly prohibited without prior written permission from the copyright holder.
This software is provided "as is", without warranty of any kind, express or implied, including but not limited to the warranties of merchantability, fitness for a particular purpose, and noninfringement.