# loop through annotations of a page, change their author, # make them 10% larger and save an image as PNG file import fitz doc = fitz.open("some.pdf") # open the PDF page = doc[n] # access page n (0-based) annot = page.firstAnnot # get first annotation matrix = fitz.Matrix(1.1, 1.1) # define matrix for scaling +10% i = 0 # counter for file idents # loop through the page's annotations while annot: pix = annot.getPixmap(matrix = matrix) # picture map for the annot pix.writePNG("annot-%s.png" % (str(i),)) # save it as PNG i += 1 # increase counter d = annot.info # get annot's info dictionary d["title"] = "Jorj X. McKie" # set author (= popup title) annot.setInfo(d) # update info dict in annot r = annot.rect * matrix # scale annot's rectangle annot.setRect(r) # store rect back in annot annot = annot.next # get next annot on page # update PDF with the changes doc.saveIncr() # alternatively, save to a new file: doc.save("some-updates.pdf")