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Resize large images to a maximum size with mogrify

destructiveImages and performancedebian, ubuntu
Adjust the values, the command updates live
user@server
find /var/www/vhosts/example.com/httpdocs/wp-content/uploads -type f \( -iname '*.jpg' -o -iname '*.jpeg' -o -iname '*.png' \) -exec mogrify -resize '2560x2560>' {} +

Shrinks every image so that it fits into a square of the maximum size, keeping the aspect ratio. The > ensures that only larger images are touched and smaller ones are never enlarged. Useful after importing unedited camera photos.

Note: mogrify overwrites the originals without asking, the original resolution is lost afterwards. Make a backup first. Package imagemagick, in WordPress regenerate the thumbnails afterwards.

Also searched as

  • bulk resize images to 2560 pixels
  • downscale photos command line
  • resize images imagemagick recursively
  • shrink oversized images linux

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Convert images to AVIF recursively

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Convert images to WebP recursively

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Find images without a loading attribute on a page

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$find /var/www/vhosts/example.com/httpdocs/wp-content/uploads -type f \( -iname '*.jpg' -o -iname '*.jpeg' -o -iname '*.png' -o -iname '*.gif' -o -iname '*.webp' \) -size +500k -printf '%s\t%p\n' | sort -rn | head -50 | numfmt --field=1 --to=iec
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Limit JPEG quality to a maximum with jpegoptim

$find /var/www/vhosts/example.com/httpdocs/wp-content/uploads -type f \( -iname '*.jpg' -o -iname '*.jpeg' \) -exec jpegoptim --strip-all --preserve --max=82 {} +
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