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Open Source Licenses

CZOA Tools is built with open-source software. This page identifies important runtime components and their license terms.

Last updated: September 9, 2026

Dependency notices

The accompanying inventory lists the installed runtime and build dependencies, exact versions, upstream repositories and notice-file hashes. The text collection preserves the notice files supplied with those packages. Build-only dependencies may be listed without executing in the browser.

  • Read third-party license and copyright notices
  • View dependency versions and source links
  • Read EFF wordlist attribution and CC BY 4.0 license information

Brotli decoding components

The Brotli decoder uses brotli-dec-wasm 2.3.2. The following files identify its WebAssembly binary, source revision, Rust dependencies, original notices and Rust standard-library notices.

  • Read Brotli component license and copyright notices
  • View Brotli binary hashes and versioned source links
  • Download Rust standard-library copyright notices

HEIC conversion components

The HEIC to JPG converter loads a separately built module containing libheif 1.22.2 and libde265 1.0.16. Both libraries are covered by LGPL version 3 or later. The materials below provide their exact source archives, linked objects, build options, original notices, and scripts to rebuild or replace the library module.

  • Read HEIC library and runtime license notices
  • Download HEIC library source and relinking kit
  • Download compiler-runtime source and notices
  • Read library rebuild and replacement instructions
  • View HEIC binary hashes and source provenance

CZOA does not claim ownership of these libraries. You may replace or modify LGPL-covered portions subject to the applicable license. The CZOA interface, explanations, and other original application code are separate from those libraries.

ZIP packaging

Batch ZIP creation uses fflate 0.8.3, distributed under the MIT License. Its copyright and license text are available in the upstream repository.

Requesting source information

Questions about the exact open-source versions distributed by this site may be sent to legal@czoa.com. Nothing on this page changes or limits rights granted by the applicable open-source license.

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