Linux · Office & Productivity
Mini Diarium
An encrypted, local-first desktop journal
by Francisco J. Revoredo
Official site: flathub.org
About Mini Diarium
Mini Diarium is a private journaling app for your desktop. All diary entries are
encrypted with AES-256-GCM at rest — plaintext never touches disk. Your journal
stays entirely on your machine: no cloud sync, no network connections, no telemetry.
Features include:
AES-256-GCM encryption for all entries
Multiple journals with independent passwords
Rich-text editor (bold, italic, headings, lists, images)
Calendar navigation and entry browsing
Import from Mini Diary, Day One, and jrnl formats
Export to JSON and Markdown
Auto-lock on idle or OS screen lock
Key-file authentication as an alternative to passwords
How to install Mini Diarium
- Click Download — the developer's official website opens in a new tab.
- Download the latest version there and run it. Choose Custom/Advanced where offered, and skip any bundled extras.
- Prefer the command line? With Flatpak you can install and update it with: flatpak install flathub io.github.fjrevoredo.mini-diarium
- Open Mini Diarium once it finishes installing.
Frequently asked questions
Is Mini Diarium free to download?
Yes. The Download button sends you to flathub.org, the developer's official site, where Mini Diarium is available to download. Flatnic doesn't host or modify any files.
How do I install Mini Diarium from the command line?
With Flatpak, run: flatpak install flathub io.github.fjrevoredo.mini-diarium. This installs it from the official source and keeps it updated.
Is Mini Diarium safe?
Mini Diarium downloads directly from the developer. As always, scan the installer with your antivirus and choose Custom setup to skip any bundled extras.
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