https://theapptimes.com/irfanview-batch-resize-images-instantly/
IrfanView Review - Great Tool to Batch Resize Images
Dec 26, 2015 - IrfanView is a free tool that lets you batch resize images within a matter of minutes. See how I resized 11 images in under 3 minutes with IrfanView.
batch resize imagesirfanviewreviewgreattool
https://savecode.net/code/bash/batch+resize+images+with+imagemagick
batch resize images with imagemagick - SaveCode.net
for I in *.jpg; do convert "$I" -resize 250x250 "thumb.$I"; done
batch resize imagesimagemagick
https://www.commandlinefu.com/commands/view/4272/quickly-batch-resize-images
Quickly batch resize images
mogrify -geometry 800x600 *.jpg - (Quickly batch resize images -geometry (preserves values of height and width given, and aspect ratio). WARNING: While...
batch resize imagesquickly