To get a YouTube video thumbnail via the YouTube API, you must first obtain a YouTube video id, which allows you to retrieve various YouTube video thumbnails. You may access video thumbnails in various sizes and resolutions using the YouTube API. You can get video thumbnails, captions, descriptions, ratings, statistics, and more using the YouTube Data API. To get YouTube video thumbnails, you’ll need to use API version 3 and a key.

There are four different resolutions: standard definition, medium quality, high quality, and maximum resolution. Different sizes are available, including 120X90, 320X180, 480X360, 640X480, 1280X720, and 1920X1080. https://i.ytimg.com/vi/ and https://img.youtube.com/vi/ are two urls for getting a YouTube video thumbnail.

To get all the information about a YouTube video, you can use the YouTube Video Information Generator tool with a YouTube URL or video id.



Default YouTube Video Thumbnail

The following url will get you the default YouTube thumbnail image. One of the thumbnails configured as default is used as the default thumbnail image.

https://img.youtube.com/vi/<video id>/default.jpg
https://i.ytimg.com/vi/<video id>/default.jpg

example

https://img.youtube.com/vi/PNISsMR92DB/default.jpg

size : 120 X 90


All YouTube Video image urls

For each YouTube video, four pictures are created. The size of the first image is accurate. The remaining images will be displayed as thumbnails.

https://img.youtube.com/vi/<video id>/0.jpg
https://img.youtube.com/vi/<video id>/1.jpg
https://img.youtube.com/vi/<video id>/2.jpg
https://img.youtube.com/vi/<video id>/3.jpg

https://img.youtube.com/vi/<video id>/default.jpg
https://i.ytimg.com/vi/<video id>/0.jpg
https://i.ytimg.com/vi/<video id>/1.jpg
https://i.ytimg.com/vi/<video id>/2.jpg
https://i.ytimg.com/vi/<video id>/3.jpg

https://i.ytimg.com/vi/<video id>/default.jpg


YouTube Videos By Resolution

Based on image resolution, there are four sorts of images available for YouTube video thumbnails. Standard definition, medium quality, high quality, and highest resolution are the options. For everyday use, a standard definition quality image will be displayed in a standard resolution. The resolution of the medium quality resolution image will be higher than that of the standard definition quality image. Image accuracy is ensured by using high-resolution pictures. The maximum quality resolution will display the image’s highest possible quality resolution.

Standard Definition Quality Resolution

https://img.youtube.com/vi/<video id>/sddefault.jpg

Size : 640  X 480 

Medium Quality Resolution

https://img.youtube.com/vi/<video id>/mqdefault.jpg

Size : 960  X 640 

High Quality Resolution

https://img.youtube.com/vi/<video id>/hqdefault.jpg

Size : 1280  X 720 

Maximum Quality Resolution

https://img.youtube.com/vi/<video id>/maxresdefault.jpg

Size : 1920  X 1080 


YouTube Data API (v3)

The YouTube Data API version 3 allows to retrieve YouTube video informations such as Caption, Description, Rating, Statistics, sizes. To get all the information, the api key is required along with YouTube video id.

https://www.googleapis.com/youtube/v3/videos?key=<API_KEY>&part=snippet&id=<VIDEO_ID>



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