YouTube Thumbnail Viewer
Paste a YouTube link to preview its public thumbnail in every size — handy for creators checking their own thumbnails and for references.
- Free, no limits
- Runs in your browser
- No sign-up
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How to use the YouTube Thumbnail Viewer
- Paste a YouTube video, Shorts or youtu.be link.
- Preview the thumbnail in HD, SD and small sizes.
- Open the image in a new tab (for your own videos or fair-use reference).
Frequently asked questions
Is it legal to use someone else's thumbnail?
Thumbnails are copyrighted by the creator. Preview them freely, but only reuse your own thumbnails or ones you have permission for.
Why is the HD version missing?
maxresdefault exists only if the video was uploaded in HD; the tool falls back to the next size.
Does this download videos?
No. It only shows the public thumbnail images YouTube already serves.
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