Is there any way to add my emojis in html/css?

Question

css

I understand that you can just insert pictures, but maybe you can somehow connect it, for example, in the form of a custom ttf font or something else?

Answer 1

https://unicode.org/emoji/charts/full-emoji-list.html
Only each system has its own appearance of emoticons.

Answer 2

Icomoon.io
Download everything and get your own emoji font