Pixela

Pixela lets you search and upload AI generated game textures. The textures are generated by Stable Diffusion and there are hundreds on there already, all for free! You can search for a specific texture or click on “New Random Textures” to refresh the list and see what else pops up. The owner of Pixela also has quite a few videos on her YouTube channel here with tips on how to generate game textures using Stable Diffusion, definitely check it out if you want to start creating your own!