Qt PDF Licensing

Qt PDF is available under commercial licenses from The Qt Company. In addition, it is available under the GNU Lesser General Public License, version 3, or the GNU General Public License, version 2. See Qt Licensing for further details.

The module includes a snapshot of PDFium. As such, users need to respect the licenses of PDFium and third-party code included in it.

Third party licenses included in the sources are:

Abseil

Apache-2.0

FP16

MIT

FreeType

FTL

Highway: C++ library for SIMD

Apache-2.0

PDFium

BSD

Perfetto

Apache2

Protocol Buffers

BSD-3-Clause

Protocol Buffers (javascript)

BSD-3-Clause

The Chromium Project

BSD 3-clause "New" or "Revised" License

fast_float

MIT

harfbuzz-ng

MIT-Modern-Variant

icu

MIT

inspector protocol

BSD

jsoncpp

JsonCPP

libjpeg-turbo

IJG, BSD-3, Zlib

libpng

Libpng-2.0, Libpng

simdutf unicode transcoder

MIT

zlib

Zlib