I found this resource through my gaming group and figured I'd post it up to share/archive the link because I already forgot it a few times.
Sound warning (Site has cool BGM that can be disabled): https://retrogrademinis.com/
It's a great resource that is fun to play with if you enjoy pixely graphic goodness. You can create sprites or tokens for systems like Foundry, Roll20, and their variants. To export them without a background you need to join their lowest tier Patreon, but if you have Photoshop and literally any experience at all you can figure out the alternative.
Here is an example of my IPS-N Lancaster I'm piloting for my current Lancer campaign.