📚 Is there any way to do gifs of one line of my nvim?

Hi! I am making my vim cheat sheet and I thought it will be nice to put next to command/key gif which will show that key in action. I don't want to make gif of full size of my window. Many command has effect on small area of text. I want to record as small area of text as needed.

Maybe even a way to write every "state" of gif manually. E.g. showing D key in action:

{1 frame, 100ms} ` I am making my vim {cursor is here}cheat sheet`;

{2 frame, 100ms} `I am making my vim `;

Thanks for any tips.