Document Automation APIs along with open-source SDKs to enhance Java, Python, NoDe.js, C# .NET, Ruby, C++, and PHP applications to view, edit, annotate, convert, compare, e-sign, parse, split, merge, extract, redact, watermark, metadata, paraphrase, classify, repair, and translate documents of almost all the popular file formats....oder Stempelsignaturen zu PDF-, Word-, Excel und PowerPoint Dokumenten...](https://blog.groupdocs.com/de/2017/07/28/stamp-signatures ...