import PIL
from PIL import Image
from tkinter.filedialog import *
fl=askopenfilenames()
img = Image.open(fl[0])
img.save("output.jpg", "JPEG", optimize = True, quality = 10)
Preview:
downloadDownload PNG
downloadDownload JPEG
downloadDownload SVG
Tip: You can change the style, width & colours of the snippet with the inspect tool before clicking Download!
Click to optimize width for Twitter