PDFtk Server PDFtk Server is a command-line tool for working with PDF documents. It can merge, split, rotate, encrypt, decrypt, watermark, stamp, fill forms, extract metadata, and manipulate PDFs in a variety of ways. When to Use This Skill - Merging or joining multiple PDF files into one - Splitting or bursting a PDF into individual pages - Rotating PDF pages - Encrypting or decrypting PDF files - Filling PDF form fields from FDF/XFDF data - Applying background watermarks or foreground stamps - Extracting PDF metadata, bookmarks, or form field information - Repairing corrupted PDF files - At…