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YouTube Thumbnail Previewer

Preview all YouTube thumbnail sizes for a video.

Use the YouTube Thumbnail Previewer tool

Calls public DNS / lookup servicesUpdated Report a problem

What this youtube thumbnail previewer does

YouTube Thumbnail Previewer extracts the 11-character video ID from a watch, share, Shorts, embed or live URL, then loads the thumbnail sizes YouTube publishes at predictable addresses. Each image is labelled with its filename so you know which one you are saving.

Some videos have no maximum-resolution thumbnail, in which case that image returns a 404 placeholder. A missing image means the uploader never supplied one, not that the video was removed. The previews are loaded directly from YouTube's image host and are not cached by KitJade.

Why use it

  • Check what a video's thumbnail looks like before embedding it.
  • Find the largest available size for a reference or mood board.
  • Confirm a URL is valid and points at the video you expect.

How to use it

  1. 1Paste a YouTube URL or the video ID.
  2. 2Wait for the images to load.
  3. 3Compare the sizes and pick the one you need.
  4. 4Right-click the image to save it, respecting the uploader's rights.

Worked examples

Standard watch URL

Input

https://www.youtube.com/watch?v=VIDEOID

Output

Four thumbnail sizes are displayed with their filenames.

Shorts URL

Input

A /shorts/ link

Output

The ID is extracted and the same sizes are shown.

Common mistakes

  • Assuming maxresdefault always exists.
  • Reusing someone else's thumbnail without permission.
  • Pasting a channel or playlist URL, which has no single video ID.

Frequently asked questions

Can I download the thumbnails?
The images load from YouTube. Save them with your browser, but only reuse images you have the right to use.
Why is one image a grey placeholder?
That size is unavailable for the video. YouTube returns a placeholder instead of the file.
Does it work with private videos?
No. Private and removed videos do not expose their thumbnails publicly.
Is the video ID sent to KitJade?
No. The ID is extracted in your browser and the images are requested directly from YouTube.

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