Batch convert images in current folder to webp format using Google's cwebp tool.

convert-all-to-webp.sh

# cwebp Docs: https://developers.google.com/speed/webp/docs/using

find ./ -type f -name '*.png' -exec sh -c 'cwebp -q 75 $1 -o "${1%.png}.webp"' _ {} \; &&
find ./ -type f -name '*.jpg' -exec sh -c 'cwebp -q 75 $1 -o "${1%.jpg}.webp"' _ {} \;