Image codecs, loaded from this website only when needed.

libheif-js 1.23.5, unmodified WebAssembly ESM bundle. LGPL-3.0.
Copyright the libheif and libde265 contributors and Daniel T. Moore.
License: heif/LICENSE and heif/LICENSE.libheif.
Corresponding source, build instructions and releases:
https://github.com/catdad-experiments/libheif-js/tree/v1.23.5
https://www.npmjs.com/package/libheif-js/v/1.23.5
https://github.com/strukturag/libheif
The separately loaded unmodified module can be replaced by a compatible build.

@jsquash/avif 2.1.1. Apache-2.0. See avif/LICENSE and source notices.
https://github.com/jamsinclair/jSquash/tree/main/packages/avif
Source and codec licenses: https://github.com/GoogleChromeLabs/squoosh/tree/dev/codecs

@jsquash/webp 1.5.0. See webp/THIRD_PARTY_NOTICES.txt and licenses.
https://github.com/jamsinclair/jSquash

The HEIC example is an original synthetic test image created for Pixrelio.