https://chrome.google.com/webstore/detail/nacl-web-plug-in/pbdcmagkbhnjpjlnpibbmggikpedpilc

How to ref:
https://techpp.com/2022/08/22/how-to-download-and-save-chrome-extension-as-crx/

https://crxextractor.com/

https://superuser.com/questions/431977/how-do-i-install-a-crx-file-on-google-chrome-dev