New answers tagged batch
i'd recommend Imagemagick. Something like this should work (untested) FOR %a in (*.jpg) DO convert %a -resize 600x600 -background black -gravity center -extent 600x600 square_%a
You can try this plug-in for Ligthroom (if you have it :) ) Lr/Mogrify 2 or use this command line utility to batch border/watermarking ImageMagick
In light room it very simple to do a batch process, all you have to do is to shift select all the images imported with the image you have applied the editing. Then press sync button on the bottom of the editing panel ,it will ask what modifications you have to synchronize. Check the desired modifications and apply.
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