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....Polski हिंदी čeština How to Move, Swap and Delete PDF Pages in Ruby...certain cases, we may need to swap pdf pages or rearrange pages...