image-to-pdf-text-speech 'https://imagetopts.herokuapp.com/' Medium article 'https://medium.com/@santhalakshminarayana/build-working-web-app-for-image-documents-to-scanned-pdf-document-conversion-using-python-5badf2c1e4eb?source=friends_link&sk=7f9b5aec2eed52811419ba2cb2cb87d9'