If PDF is electronic paper, then pdftk is an electronic staple-remover, hole-punch, binder, secret-decoder-ring, and X-Ray-glasses. Pdftk is a useful tool for handling PDF documents.

Every PDF user should have one in the top drawer of his/her desktop. Use it to: Merge PDF Documents Split PDF Pages into a New Document Decrypt Input as Necessary (Password Required) Encrypt Output as Desired Burst a PDF Document into Single Pages Report on PDF Metrics, including Metadata and Bookmarks Uncompress and Re-Compress Page Streams Repair Corrupted PDF (Where Possible)