youtu.be link — get every thumbnail resolution to preview and download. Runs in your browser; nothing is uploaded.| File | Size | Notes |
|---|---|---|
maxresdefault | 1280×720 | Highest quality — only if the uploader supplied HD |
sddefault | 640×480 | Standard definition |
hqdefault | 480×360 | Always available — safe fallback |
mqdefault | 320×180 | Medium |
Tip: only download thumbnails you have the right to use. Thumbnails are the creator's copyrighted work — fine for personal reference, review, or fair-use commentary; not for re-uploading as your own.
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