deleted by creator

Tin Snips and/or a nibbler. The tool, not the Futurama character. Also, for what one or two taps and dies will run you, one might as well buy them in sets

… or handbrake-cli

I was going to suggest there should be a way to run handbrake locally while pointing its under-the-hood functions to handbrake-cli (also, yes, there’s handbrake-cli) hosted on your server, but I found this instead:
https://medium.com/@joshuaavalon/encode-video-with-handbrake-on-server-17b6127f6ac7
godsspeed, OP

On the off chance you aren’t using it already, lemmyverse.net is a decent, relatively instance-agnostic way to discover new communities.