It is a simple H5 app for forging various icons. Currently, it supports Adobe-style icons and Jetbrains-style icons and may support more style if possible.
Just visit this site and make your unique icons. Or you can clone this repo and try it locally.
You can fork this repo and do what you want. Don't forget to push request at last. The repo is very simple and newbie-friendly so feel free to contribute it :)