Blackout — Encrypt → PNG (default)

Now encrypts and hides your encrypted container inside a PNG by default (black cover if none chosen). Toggle "Save raw .blackout" to get the raw container.

Default behavior: encrypt & embed into PNG. Files saved as yourcover.png. Warning: some apps/editors may strip chunks when editing or recompressing images.
No output yet.
Blackout
Enter unlock pass to reveal the app
This lock is a UI overlay — passwords are not saved. Demo mode preloads sample files.