.. Copyright (C) 2001-2025 Artifex Software, Inc. .. All Rights Reserved.

.. meta:: :description: MuPDF documentation :keywords: MuPDF, pdf, epub

Third Party Libraries

These are the third party libraries used by :title:MuPDF.

.. list-table:: :header-rows: 1

• • Library
  • Version
  • Function
  • License
• • Required
• • freetype_
  • 2.13.3
  • Font scaling and rendering
  • BSD-style
• • harfbuzz_
  • 6.0.0 with patches
  • Text shaping
  • MIT-style
• • libjpeg_
  • 9.0f with patches
  • JPEG decoding
  • BSD-style
• • Incompatible fork of lcms2_
  • 2.16 with patches
  • Color management
  • MIT-style
• • openjpeg_
  • 2.5.4
  • JPEG 2000 decoding
  • BSD-style
• • zlib_
  • 1.3.1
  • Deflate compression
  • zlib License
• • gumbo-parser_
  • 0.10.1 with patches
  • HTML5 parser
  • Apache 2.0
• • brotli_
  • 1.1.0 with upstream and local patches
  • Brotli compression
  • MIT-style
• • Optional
• • FreeGLUT_
  • 3.0.0 with patches
  • OpenGL API for UI
  • MIT-style
• • curl_
  • 7.66.0 with patches
  • HTTP data transfer
  • MIT-style
• • JPEG-XR reference_
  • 1.32 with patches
  • JPEG-XR decoding
  • special
• • Tesseract_
  • 5.5.0 with patches
  • OCR
  • Apache 2.0
• • Leptonica_
  • 1.85.0 with patches
  • Tesseract dependency
  • BSD-style
• • Zint_
  • 2.13.0.9
  • Zxing-cpp dependency
  • BSD-style
• • Zxing-cpp_
  • 2.3.0 with patches
  • Barcode decoding/encoding
  • Apache 2.0

.. note::

jbig2dec_ and MuJS_ are included in "thirdparty" but are copyright :title:Artifex Software Inc.

.. External links

.. _freetype: http://www.freetype.org/ .. _harfbuzz: http://www.harfbuzz.org/ .. _libjpeg: http://www.ijg.org/ .. _Incompatible fork of lcms2: http://cgit.ghostscript.com/cgi-bin/cgit.cgi/thirdparty-lcms2.git/ .. _openjpeg: http://www.openjpeg.org/ .. _zlib: http://www.zlib.net/ .. _gumbo-parser: https://github.com/google/gumbo-parser .. _brotli: https://brotli.org/ .. _FreeGLUT: http://freeglut.sourceforge.net/ .. _curl: http://curl.haxx.se/ .. _JPEG-XR reference: https://www.itu.int/rec/T-REC-T.835/ .. _Tesseract: https://tesseract-ocr.github.io/ .. _Leptonica: https://github.com/DanBloomberg/leptonica .. _jbig2dec: https://jbig2dec.com/?utm_source=rtd-mupdf&utm_medium=rtd&utm_content=inline-link .. _MuJS: https://mujs.com/?utm_source=rtd-mupdf&utm_medium=rtd&utm_content=inline-link .. _Zint: https://www.zint.org.uk/ .. _Zxing-cpp: https://github.com/zxing-cpp/zxing-cpp