gltfpack.online is an independent interface, not affiliated with meshoptimizer.

gltfpack / meshoptimizer 1.3
https://github.com/zeux/meshoptimizer/tree/v1.3
Copyright (c) 2016-2026 Arseny Kapoulkine
MIT License. Full upstream license: /static/licenses/meshoptimizer.txt
The official binary includes texture encoders and parsers. Upstream notices:
/static/licenses/basis-universal.txt
/static/licenses/webp.txt
/static/licenses/webp-patents.txt
/static/licenses/cgltf-source.txt (license embedded in source)
/static/licenses/fast-obj-source.txt (license embedded in source)
/static/licenses/sdefl-source.txt (license embedded in source)

Three.js 0.180.0
https://github.com/mrdoob/three.js/tree/r180
MIT License. Full license: /static/vendor/THREE-LICENSE.txt
Basis Universal transcoder bundled by Three.js:
/static/licenses/basis-universal.txt (Apache-2.0)
Meshopt decoder 1.3.0: MIT, Arseny Kapoulkine.
/static/licenses/meshoptimizer.txt

The generated ripple-study sample is original to this project and dedicated
to the public domain under CC0 1.0: https://creativecommons.org/publicdomain/zero/1.0/

Python dependencies: Flask (BSD-3-Clause), Gunicorn (MIT).
See installed distribution metadata for their full license notices.

Flask-Babel 4.0.0 and Babel: BSD licenses.
https://github.com/python-babel/flask-babel
https://github.com/python-babel/babel
See installed distributions for full notices.