qpdf/qpdf

Health v2 · maintenance only

Adoption not part of the score

5350 stars · 396 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-29, confidence not recorded

qpdf is a command-line tool and C++ library that performs content-preserving transformations on PDF files, supporting linearization, encryption, splitting, merging, and structural inspection. It is a low-level tool for manipulating PDF file structure and does not render PDFs or extract text.

Use cases

• linearize a pdf for fast web viewing
• encrypt or decrypt a pdf file from the command line
• split a pdf into individual pages
• merge multiple pdf files into one
• inspect the internal structure of a pdf file
• repair a corrupted pdf file
• programmatically manipulate pdf structure from c++

When to choose

• you need low-level, structural manipulation of PDF files without altering content
• you want a scriptable command-line tool for pdf linearization, encryption, splitting, or merging
• you need a reliable C++ library for programmatic PDF file transformation
• you want to inspect or debug the internals of a PDF file

When to avoid

• you need to render PDFs to images or screens
• you need text extraction or OCR from PDFs
• you want high-level interfaces for editing page contents or adding annotations
• you need to create PDFs with rich content from scratch

Facets

cli-tool · maturity stable

pdf cli developer-tools file-system security pdf files developer-tools windows cross-platform cli cpp pdf-manipulation pdf-linearization pdf-encryption pdf-splitting pdf-merging c-plus-plus-library content-preserving command-line linux macos

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markdown · JSON · MCP: product_card(name="qpdf/qpdf")