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YouTube Thumbnail Downloader
Grab the public thumbnail of any video in every size.
About the YouTube Thumbnail Downloader
YouTube publishes thumbnail images at predictable public addresses on its image CDN. This builds those addresses from a video link and shows which resolutions exist for that video, from the 1280×720 maximum down to the small default.
Not every video has every size. Maximum resolution only exists when the original upload was high definition, which is why some videos show a gap there.
On usage: a thumbnail is the creator's work. Using one for research, for a reference in a review, or to check how your own competitor set looks side by side is ordinary practice. Republishing someone else's thumbnail as your own artwork is not, and it is the kind of thing that ends channels.
Common questions
Is it legal to use a thumbnail I get from this tool?
Using it for reference, comparison research, or a review is standard practice. Republishing someone else's thumbnail as your own original artwork is a different matter and can violate copyright.
Why does maxresdefault sometimes show as unavailable?
That resolution only exists if the original video was uploaded in HD. Older or lower-resolution uploads don't have a 1280×720 thumbnail generated, only the smaller default sizes.
Does this download or modify the actual video?
No — it only builds the public thumbnail image URLs that YouTube already serves for every video. No video content is accessed, downloaded or re-encoded.