import os
from PIL import Image

def convert_to_webp(directory):
    for root, dirs, files in os.walk(directory):
        for file in files:
            if file.lower().endswith(('.png', '.jpg', '.jpeg')):
                file_path = os.path.join(root, file)
                image = Image.open(file_path)
                webp_path = file_path.rsplit('.', 1)[0] + '.webp'
                image.save(webp_path, 'webp')

convert_to_webp('.')