I created one online AutCAD SHX font viewer. You don't need to install any software and just open the following link.

[https://mlight-lee.github.io/shx-parser/](https://mlight-lee.github.io/shx-parser/)

Moreover, source code is available in here.
[https://github.com/mlight-lee/shx-parser](https://mlight-lee.github.io/shx-parser/)