cpdf
Command-line PDF manipulation tool
TLDR
Merge PDF files
$ cpdf [input1.pdf] [input2.pdf] -o [output.pdf]
Extract pages$ cpdf [input.pdf] [1-10] -o [output.pdf]
Rotate pages$ cpdf -rotate [90] [input.pdf] -o [output.pdf]
Add password protection$ cpdf -encrypt [128bit] [owner_password] [user_password] [input.pdf] -o [output.pdf]
Remove password$ cpdf -decrypt [input.pdf] owner=[password] -o [output.pdf]
Split into single pages$ cpdf -split [input.pdf] -o [page%%%.pdf]
Scale pages$ cpdf -scale-page "[2.0 2.0]" [input.pdf] -o [output.pdf]
SYNOPSIS
cpdf [options] input.pdf [pages] -o output.pdf
DESCRIPTION
cpdf (Coherent PDF) is a command-line tool for manipulating PDF files. It can merge, split, encrypt, decrypt, rotate, scale, and perform many other operations on PDF documents without requiring a GUI.The tool provides precise control over PDF manipulation with support for page ranges, encryption levels, metadata editing, and transformations. It's designed for batch processing, automation, and scenarios where graphical PDF tools are impractical.cpdf is particularly useful for server-side PDF processing, shell scripts, and workflows requiring reliable, scriptable PDF operations. It handles complex operations like adding watermarks, stamping pages, and manipulating bookmarks.
PARAMETERS
-o file
Output file path.-encrypt level owner user
Encrypt with specified bit level and passwords.-decrypt
Decrypt a PDF.-rotate degrees
Rotate pages by degrees.-split
Split into individual pages.-scale-page "x y"
Scale pages by factors.-merge
Merge multiple PDFs.
INSTALL
sudo dnf install cpdf
sudo apk add cpdf
brew install cpdf
