How to get thumbnails from youtube video?

Question

YouTube

Hey!
There is a video player in which I want to display thumbnails from some YouTube video.

preview: 
{ 
sprites: ['тут ссылка на миниатюры'],
height: 112,
width: 200
}

YouTube gives thumbnails like this:

http://img.youtube.com/vi/T4fsTr2_2r8/default.jpg
http://img.youtube.com/vi/T4fsTr2_2r8/hqdefault.jpg
http://img.youtube.com/vi/T4fsTr2_2r8/mqdefault.jpg
http://img.youtube.com/vi/T4fsTr2_2r8/sddefault.jpg
http://img.youtube.com/vi/T4fsTr2_2r8/maxresdefault.jpg

T4fsTr2_2r8 - YouTube video ID, first hit.
How to get all thumbnails from a YouTube video? As indicated in the picture below.

Answer 1

Why don't you just use this service to download YouTube cover art ? Here you can download all the sizes of the miniatures you need!
1. copy and paste the link to the video
2. start downloading pictures
3. save the images to your computer or phone

Answer 2

glue with the help of some kind, curled from what you write on. yes cap). but the question is vague

Answer 3

At least they would write where it is needed, what language?

Answer 4

It is necessary to write a code in some language that extracts all the pictures from the video one by one, as I indicated in the picture above. The question is what language?

Answer 5

Do not rack your brains, use ready-made services. For example - https://allbyvideo.com/