from ironpdf import *

pdf = PdfDocument("document.pdf")

# Quality parameter can be 1-100, where 100 is 100% of original quality
pdf.CompressImages(60)
pdf.SaveAs("document_compressed.pdf")

# Second optional parameter can scale down the image resolution according to its visible size in the PDF document. Note that this may cause distortion with some image configurations
pdf.CompressImages(90, True)
pdf.SaveAs("document_scaled_compressed.pdf")