How to change image brightness from PIL import Image, ImageEnhance im = Image.open('/var/www/examples/heroine.png') im = ImageEnhance.Brightness(im).enhance(2) im.show() PIL - import lib:Pillow package modules Image.open - open given image with Pillow ImageEnhance.Brightness - brightness management utility enhance - changes respective enhance option (brightness in our case) 2 - increases brightness by 2 times .show() - displays resulting image Example: from PIL import Image, ImageEnhance im = Image.open('/var/www/examples/heroine.png') im = ImageEnhance.Brightness(im).enhance(2) im.show()