Nitro Paint is a general purpose tool that allows you to edit NCLR, NCGR, NCBR, NCER, NSCR and NSBTX. It's capable of converting textures to nitro TGA format (4x4, A5i3, A3i5 and etc.)

Author: Garhoogin

[Download from GitHub|https://github.com/Garhoogin/NitroPaint/releases]