Native Python library that adds, searches, and removes text and image watermarks across PDF, Word, Excel, PowerPoint, Visio, email, and image formats on Windows, Linux, and macOS. No Microsoft Office or OpenOffice required....Native Python library that adds, searches, and removes text and image watermarks across PDF, Word, Excel, PowerPoint, Visio, email, and image formats on Windows, Linux, and macOS. No Microsoft Office or OpenOffice required.