qpdf 12.2.0 (https://github.com/qpdf/qpdf), Copyright (c) 2005-2021 Jay Berkenbilt, Copyright (c) 2022-2025 Jay
Berkenbilt and Manfred Holger, licensed under the Apache License 2.0. It is compiled to WebAssembly together with zlib
1.3.1 (zlib licence) and libjpeg-turbo 3.1.0 (IJG, Modified BSD and zlib licences). This software is based in part on
the work of the Independent JPEG Group.
The WebAssembly build (qpdf.js and qpdf.wasm) is @arshad-shah/qpdf-wasm 0.1.0 (MIT, LICENSE.txt in this folder),
https://github.com/arshad-shah/qpdf-wasm (npm: @arshad-shah/qpdf-wasm@0.1.0), served unmodified. Full licence
texts for qpdf, zlib and libjpeg-turbo: THIRD_PARTY_LICENSES.txt in this folder.
Palz Tools runs it in the visitor's browser for Protect PDF, Unlock PDF and Repair PDF; files are not uploaded.