How to Use ImageMagick's mogrify Command for Batch Image Size Conversion
Tadashi Shigeoka · Thu, March 19, 2020
I’ll introduce how to use ImageMagick’s mogrify command for batch image size conversion.
Prerequisites
ImageMagick Installation [macOS Edition]
brew install imagemagick
Batch Image Conversion with mogrify Command
When you install ImageMagick, you can use the convenient mogrify command for batch image processing.
Batch Convert Image Size to 50%
mogrify -resize 50% *.jpg
Batch Convert Image Width to 1200 pixels
Resize the width of specified images while maintaining aspect ratio and batch convert them.
mogrify -resize 1200x *.jpg
Batch Convert Image Height to 630 pixels
Resize the height of specified images while maintaining aspect ratio and batch convert them.
mogrify -resize x630 *.jpg
That’s all from the Gemba.