Blur part of a photoPassed
Blur the top-left 64 by 48 pixel corner of hopper.png and save it as hidden.png.
deft image blur hopper.png --box 0,0,64,48 --radius 10 -o hidden.png
Input
hopper.png 29.9 KB · 128x128

Output
hidden.png 29.0 KB · 128x128

Automatic checks (1)
- image: file = "hidden.png", format = "PNG"