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Create thumbnail by resizing image in Python

Sometimes we need to create thumbnails of certain size from image. In this post I show you how to create thumbnail by resizing image in Python. Here is the Python code for creating thumbnail / resizing an image: import Image def generate_and_save_thumbnail(imageFile, h, w, ext):     image = Image.open(imageFile)     image = image.resize((w, h), Image.ANTIALIAS)     outFileLocation = "./images/"     outFileName = "thumb"     image.save(outFileLocation + outFileName + ext) # set the image file name here myImageFile = "myfile.jpg" # set the image file extension extension = ".jpg" # set height h = 200 # set width w = 200 generate_and_save_thumbnail(myImageFile, h, w, extension) The second argument of image.resize() is the filter. You have several options there: Image.ANTIALIAS Image.BICUBIC Image.BILINEAR Image.NEAREST Each uses different algorithm. For downsampling (reducing the size) you ...