libHaru

Spec sheet

Purpose

libHaru is a free, cross-platform, open-source library for generating PDF files.Read 7 Oct 2026 · libharu.org

License

The project is distributed under the ZLIB/LIBPNG license, which permits use for commercial applications subject to its stated conditions.Read 7 Oct 2026 · github.com

Annotations

It supports outlines, text annotations, and link annotations.Read 7 Oct 2026 · libharu.org

Bindings

The README lists bindings for Ruby, Delphi/Free Pascal, and C#.Read 7 Oct 2026 · github.com

Build platforms

The README lists Windows environments using Cygwin, MinGW, MSYS, Microsoft VC++, or Borland C++, as well as GCC on Linux, FreeBSD, NetBSD, and Solaris.Read 7 Oct 2026 · github.com

Dependencies

ZLIB and PNGLIB are required to use compression and PNG embedding features.Read 7 Oct 2026 · github.com

Downloads

The site identifies v2.3.0 as the latest stable release and v2.3.0-RC3 as the latest development release.Read 7 Oct 2026 · libharu.org

Encryption

It can create encrypted PDF files.Read 7 Oct 2026 · libharu.org

Fonts and languages

It supports Type 1 and TrueType fonts, multiple character sets, and CJK fonts and encodings.Read 7 Oct 2026 · libharu.org

Images and compression

It supports document compression and embedding PNG and JPEG images.Read 7 Oct 2026 · libharu.org

Implementation

libHaru is written in ANSI C and its site says it theoretically supports most modern operating systems.Read 7 Oct 2026 · libharu.org

PDF editing

It does not support reading or editing existing PDF files, and its site says that support is unlikely to be added.Read 7 Oct 2026 · libharu.org

PDF output

It generates PDF files containing lines, text, and images.Read 7 Oct 2026 · libharu.org

Project status

The project site says it has not been actively maintained or developed for a few years and is looking for a new maintainer.Read 7 Oct 2026 · libharu.org

Plans and prices

Every libHaru plan and price →

Where Specifiction places it

• PDF SDKs#20 of 317.7