There's a web assembly version in the repository : https://github.com/facebook/z...

		twitch_checksum on Oct 10, 2020 \| parent \| context \| favorite \| on: Facebook/Zstandard – Fast real-time compression al... There's a web assembly version in the repository : https://github.com/facebook/zstd/tree/dev/contrib/single_fil... Could be worth checking