Native Python library that adds, edits, and removes annotations and markup — area and shape annotations, text highlight/underline/strikeout, watermarks, image and link Stamps, and threaded comments — on PDF, Word, Excel, PowerPoint, images, CAD, Visio, and email files on Windows, Linux, and macOS. No Microsoft Office or Adobe Acrobat required....strikeouts, and squiggly lines, stamp watermarks, images, and hyperlinks...resources. Content Annotations : Stamp watermarks, image annotations...