Resize and Convert All Images in a Directory

mogrify is part of the ImageMagick suite of tools. It’s simple, powerful, and easy to use.

Specific Size

mogrify -resize WxH *.jpg
  • W: width
  • H: height
  • You may leave one of the above variables blank to keep the same aspect ratio

Relative Size

mogrify -resize 50% *.jpg


# convert png to jpg
mogrify -format jpg *.png
Nicholas Nadeau, Ph.D., P.Eng.
Nicholas Nadeau, Ph.D., P.Eng.
Project Director

Nicholas Nadeau is the project director at Halodi Robotics, leading their mission of bringing safe and capable humanoid robots to everyone.