Available Resolutions
- Maximum (maxresdefault) — 1280×720 HD. Best quality, available for most videos uploaded after 2012.
- Standard (sddefault) — 640×480. Always available.
- High Quality (hqdefault) — 480×360.
- Medium (mqdefault) — 320×180.
- Default — 120×90 small thumbnail.
Usage Notice
YouTube thumbnails are copyrighted by their respective creators. Only download thumbnails you have permission to use, or for fair-use purposes like commentary, criticism, news reporting, or research.