from PIL import Image
import os

# Set the path to the folder containing the images
folder_path = '/path/to/folder'

# Get a list of all the files in the folder
file_list = os.listdir(folder_path)

# Loop through each file in the folder
for filename in file_list:
    # Check if the file is an image
    if filename.endswith('.jpg') or filename.endswith('.jpeg') or filename.endswith('.png'):
        # Open the image file
        img = Image.open(os.path.join(folder_path, filename))

        # Check if the image has an alpha channel (transparency)
        if img.mode in ('RGBA', 'LA') or (img.mode == 'P' and 'transparency' in img.info):
            # Create a new background image
            background = Image.new('RGB', img.size, (255, 255, 255))

            # Composite the transparent image onto the new background
            background.paste(img, mask=img.convert('RGBA').split()[-1])

            # Save the new image with a white background
            background.save(os.path.join(folder_path, filename))
        else:
            # If the image doesn't have an alpha channel, just save it as-is
            img.save(os.path.join(folder_path, filename))