import os import sys from PIL import Image if len(sys.argv) > 1: if os.path.exists(sys.argv[1]): im = Image.open(sys.argv[1]) target_name = sys.argv[1] + ".jpg" rgb_im = im.convert('RGB') rgb_im.save(target_name) print("Saved as " + target_name) else: print(sys.argv[1] + " not found") else: print("Usage: convert2jpg.py ") """ To run it use: convert2jpg test.png """