Bulk Create WebP Images via the CLI

images.sh

#!/bin/bash

# place this file in your images dir, run `bash images.sh`

# this present working dir
directory="."

# Loop through each file
for file in "$directory"/*; do
	if [ -f "$file" ]; then
		filename=$(basename -- "$file")
		extension="${filename##*.}"
		filename_noext="${filename%.*}"

		# Check if the file is an image
		if [[ $extension == "jpg" || $extension == "jpeg" || $extension == "png" || $extension == "gif" ]]; then
			# Convert the image to WebP format
			cwebp "$file" -o "${directory}/${filename_noext}.webp"
			echo "Converted ${filename} to WebP"
		else
			echo "Skipping ${filename}, not an image file"
		fi
	fi
done

echo "Conversion complete"