How Do I Mod Undertale?

[AgentCPU0]

I'm completely brand new to Undertale, and I was looking to try and make a custom mod for the game. I'm making it simple and modding the Chara sprite. Anyone know what I should do? Thanks in advance

[𝔖𝔗𝔈ℜ𝔏ℑ𝔑𝔊]

if your on pc download undertale mod tool. here is a link to it https://github.com/krzys-h/UndertaleModTool/find/master. then watch this
video https://www.youtube.com/watch?v=qywrBwJQ7MI or this one
https://www.youtube.com/watch?v=HPH1rK20Wnk learn how to mod then.. there you go!

[Thorthon]

you can??