That’s cool! I’m also not fluent in Japanese but I was learning for like a year. Btw, the correct version would be これはかっこいいです (idk if this helps or if it’s just annoying lol sorry)
Wish you luck!! :D
I don't really speak fluent Japanese, but I've been learning tho and know a few phrases, I saw your post and it would be a good try to say something I've learned. The translation to what I said was: This is cool!!!