Software by DK

DK App Tools

Practical apps. Clear information. No clutter.

Apps

Offline FileSecure

Encrypt and protect private files locally on Android.

Open product page Google Play coming soon
Secure NoteKeeper

Coming soon
Media Vault

Coming soon
Sync Bridge

Coming soon
Dev Toolbox

Coming soon
More Tools

Coming soon

Latest articles

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Abstract local encrypted vault card illustration Offline FileSecure Offline FileSecure: what a local encrypted vault means

A plain-English explanation of Offline FileSecure's local vault model and what it does, and does not, change about file safety.

Read article Abstract Android privacy card illustration Android Privacy Keeping private files safer on Android without cloud upload

Practical Android habits for reducing exposure when you want to keep sensitive files local.

Read article Abstract offline-first security card illustration Security Why offline-first security still matters

Why offline-first tools can reduce unnecessary exposure and make private workflows easier to reason about.

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