Interactions with PDF Forms Reading form fields from pypdf import PdfReader reader = PdfReader("form.pdf") fields = reader.get_form_text_fields() fields == {"key": "value", "key2": "value2"} Filling out forms from pypdf import PdfReader, PdfWriter reader = PdfReader("form.pdf") writer = PdfWriter() page = reader.pages[0] fields = reader.get_fields() writer.add_page(page) writer.update_page_form_field_values( writer.pages[0], {"fieldname": "some filled in text"} ) # write "output" to pypdf-output.pdf with open("filled-out.pdf", "wb") as output_stream: writer.write(output_stream)