Simple script to optimize images quality, size and format.

README.md

How to use

1. Update the sizes and final format you want your images formatted to in source.
2. make the script executable chmod +x optimize.sh
3. run the script ./optimize.sh original.jpg

optimize.sh

#!/bin/bash

# Check if an argument is provided
if [ "$#" -ne 1 ]; then
    echo "Usage: $0 <filename.jpg>"
    exit 1
fi

# Check if the provided file has a .jpg extension
if [[ ! $1 == *.jpg ]]; then
    echo "The file must have a .jpg extension."
    exit 1
fi

# The original filename without the extension
filename="${1%.*}"

# Array of desired widths
widths=(1536 1280 1024 768 640)

# Loop through the widths and create resized images
for width in "${widths[@]}"; do
    convert "$1" -resize "${width}" -quality 80 -strip "${filename}@${width}.webp"
done

echo "Resizing and optimization completed."