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February 5, 2019 06:24
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Save patrickgalbraith/58374a2c16b6b319684fdb588d40be30 to your computer and use it in GitHub Desktop.
Resize all images in a folder
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| @echo off | |
| cls | |
| set "resolution=1080" | |
| for /f "tokens=* delims=" %%G in ('dir /A-D /B *.jpg') do ( | |
| ffmpeg -y -i "%%~G" -vf "scale='min(%resolution%,iw)':min'(%resolution%,ih)':force_original_aspect_ratio=decrease" "%%~G" | |
| ) | |
| for /f "tokens=* delims=" %%G in ('dir /A-D /B *.png') do ( | |
| ffmpeg -y -i "%%~G" -vf "scale='min(%resolution%,iw)':min'(%resolution%,ih)':force_original_aspect_ratio=decrease" "%%~G" | |
| ) |
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This will overwrite all images in a folder with the resized version so make sure you have a backup!