Convert png or jpg images to WebP using ffmpeg from cli

readme.md

run this command to make it executable

chmod +x convert_to_webp.sh

usage:

$ ./convert_to_webp.sh image1.png image2.jpg

or to convert files in CWD

./convert_to_webp.sh

convert.sh

#!/bin/bash

convert_to_webp() {
    for file in "$@"; do
        if [[ $file == *.png ]]; then
            filename=$(basename -- "$file")
            filename="${filename%.*}"
            ffmpeg -i "$file" -compression_level 6 "${filename}.webp"
        elif [[ $file == *.jpg ]]; then
            filename=$(basename -- "$file")
            filename="${filename%.*}"
            ffmpeg -i "$file" "${filename}.webp"
        fi
    done
}

if [ "$#" -gt 0 ]; then
    convert_to_webp "$@"
else
    # If no parameters are provided, convert all PNG and JPG files in the current directory
    convert_to_webp *.png *.jpg
fi