Growit Tools
YouTube Thumbnail Downloader
Extract YouTube thumbnails in HD, HQ, and 4K.
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What this tool does
The YouTube Thumbnail Downloader pulls every available thumbnail size for a video so you can inspect or download the best resolution.
How it works
Paste a YouTube URL, we extract the video ID, then display the thumbnail image endpoints from YouTube.
Why creators use it
Creators study competitor thumbnails, test design ideas, and build better click-through rates by analyzing high performers.
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FAQ
Can I download 4K thumbnails?
If the creator uploaded a max resolution thumbnail, this tool will show it.
Does it work for Shorts?
Yes. Paste a Shorts URL and the tool extracts any available thumbnail.
Is the thumbnail downloader free?
Yes. It is free to use and requires no account.
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