How to batch resize image files with ImageMagick
❌ Attempt 1, failed.
# Does not work
convert "images/*.png[150x]" -set filename:base "%[base]" "images/new_folder/%[filename:base].png"❌ Attempt 2, failed.
# Does not work
mogrify -path small/ 200x *.png✅ Attempt 3, WORKS!
mogrify -resize 300x -quality 70 *.png
mogrify -resize 300x -quality 70 */*.png # inside folderThis command replaces the original images, so make a copy first.
To specify both width and height, use eg. 300x300.
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