How to quickly merge hundreds of photos into one?

Question

Graphic arts

I didn’t think that I would ask this question, but I didn’t find anything suitable on the Internet.
In short, there are several hundred photos of the same size, you need to combine them all into one, with a grid. I would be grateful for a link to the program, or a tutorial for Photoshop.

Answer 1

As I understand it, you need to make a sprite habrahabr.ru/post/159027

Answer 2

https://codepen.io/anon/pen/vJGzpQ

Answer 3

if I understand correctly, then you need to add padding to the slick-list block