PDF-Writer
A high-performance C++ library for creating, parsing, and manipulating PDF files and streams.
What is PDF-Writer?
PDF-Writer (PDFHummus) is a high-performance C++ library for creating, parsing, and manipulating PDF files and streams. It solves the problem of programmatic PDF generation and modification by providing a comprehensive toolkit for developers working with PDF documents at the library level.
C++ developers who need to generate, parse, or modify PDF documents programmatically in their applications, particularly those working on document processing systems or PDF tooling.
Developers choose PDF-Writer for its high performance, comprehensive PDF functionality, and flexibility through modular dependencies and cross-platform CMake builds, making it a robust alternative to commercial PDF libraries.
Overview
High performance library for creating, modiyfing and parsing PDF files in C++
Use Cases
Best For
- Generating PDF reports programmatically in C++ applications
- Parsing and extracting content from existing PDF documents
- Modifying PDF structure and content in automated workflows
- Building custom PDF processing tools and utilities
- Integrating PDF generation into server-side C++ applications
- Creating PDF documents with embedded images and encryption
Not Ideal For
- Web or serverless applications requiring PDF generation without C++ compilation or deployment overhead
- Projects needing out-of-the-box PDF rendering or interactive form filling without extensive custom coding
- Teams with limited C++ expertise or those preferring managed languages like Python or Java for rapid development
- Applications that rely heavily on community plugins or GUI tools for PDF editing
Pros & Cons
Pros
The C++ implementation is optimized for speed, with bundled libraries for JPEG, PNG, and TIFF image handling, ensuring efficient PDF processing as emphasized in the project's focus on performance.
Supports creation, parsing, and manipulation of PDF files, including PDF 2.0 encryption via OpenSSL and image embedding, making it versatile for diverse document workflows.
CMake options like USE_BUNDLED and PDFHUMMUS_NO_OPENSSL allow modular control over dependencies, enabling customization for specific project needs without unnecessary bloat.
Works on Windows, Linux, and macOS with CMake builds, and includes specific iOS build guides, ensuring broad deployment across environments.
Includes ctest integration and fuzz testing harness options, with detailed testing guidelines in CLAUDE.md, promoting code reliability and quality assurance.
Cons
Requires CMake, compiler toolchains, and handling of multiple dependencies like OpenSSL, which can be challenging for developers unfamiliar with C++ build systems, as noted in the prerequisites section.
The core library is C++, forcing developers in other languages to use wrappers like MuhammaraJS for NodeJS, adding complexity and potential performance overhead.
Focuses on low-level PDF operations; advanced features like form handling or rich text layout require custom implementation, unlike higher-level libraries with pre-built components.
Documentation is split between GitHub wiki, project site, and internal CLAUDE.md, which may lack comprehensive examples or tutorials for beginners, as evidenced by the reliance on multiple sources.
Frequently Asked Questions
Related Projects
QPDFqpdf: A content-preserving PDF document transformer
libharulibharu - free PDF library
pdfioPDFio is a simple C library for reading and writing PDF files.
DynaPDFAn easy-to-use PDF generation library. [Commercial]
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