I found copyparty to be too busy on the UI/UX side of things. I've settled on dufs[0], quick to deploy, fast to use use, and cross platform.

[0] https://github.com/sigoden/dufs

Do you have a systemd for it, run it with Docker, or simply manually as needed? I find its simplicity perfect!

I run it manually as needed. It's already packaged for both Alpine Linux and Homebrew which suits my ad-hoc needs wonderfully!