Resizing multiple image files

For the Ponyo post I had a bunch of PNG 853×480 screenshots. At first, the post used 300×168 images, resized by the blog’s engine, such as the below one:

However, the ideal width for images in this blog is about 600 pixels:

For resizing multiple files I recurred to ImageMagick command line tools (here are some Windows Binary Releases). On Windows command prompt, it’s enough to type:

forfiles /M *.png /C “cmd /c convert -resize 70% @file resized_@file”

That way all of the images will have resized versions, at 70% their original size, yielding a 597-pixels width.

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