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+# cpdf
+
+> CLI to manipulate existing PDF files in a variety of ways.
+> Homepage: <https://www.coherentpdf.com/cpdfmanual/cpdfmanual.html>.
+
+- Select pages 1, 2, 3 and 6 from source document and write those to a destination document:
+
+`cpdf {{path/to/source_document.pdf}} 1-3,6 -o {{path/to/destination_document.pdf}}`
+
+- Merge two documents into a new one:
+
+`cpdf -merge {{path/to/source_document_one.pdf}} {{path/to/source_document_two.pdf}} -o {{path/to/destination_document.pdf}}`
+
+- Show the bookmarks of a document:
+
+`cpdf -list-bookmarks {{path/to/document.pdf}}`
+
+- Split a document into ten-page chunks, writing them to chunk001.pdf, chunk002.pdf, etc:
+
+`cpdf -split {{path/to/document.pdf}} -o {{path/to/chunk%%%.pdf}} -chunk 10`
+
+- Encrypt a document using 128bit encryption, providing `fred` as owner password and `joe` as user password:
+
+`cpdf -encrypt 128bit fred joe {{path/to/source_document.pdf}} -o {{path/to/encrypted_document.pdf}}`
+
+- Decrypt a document using the owner password `fred`:
+
+`cpdf -decrypt {{path/to/encrypted_document.pdf}} owner=fred -o {{path/to/decrypted_document.pdf}}`
+
+- Show the annotations of a document:
+
+`cpdf -list-annotations {{path/to/document.pdf}}`
+
+- Create a new document, with metadata, based on an existing one:
+
+`cpdf -set-metadata {{path/to/metadata.xml}} {{path/to/source_document.pdf}} -o {{path/to/destination_document.pdf}}`