How to save a YouTube video's thumbnail at full resolution
Get the thumbnail image for any YouTube video or Short at the largest size available, understand the sizes, and use thumbnails responsibly.
Published
Tools for this job: YouTube Thumbnail Grabber · Crop Image · Image Converter
Every YouTube video has a thumbnail — the picture shown before you press play. Creators want copies of their own for portfolios and other platforms; reviewers and teachers want them for reference and slides. YouTube does not offer a download button, but the images are public files that can be saved directly.
Save a thumbnail step by step
- Copy the video's address from the browser or the app's Share button.
- Paste it into the YouTube Thumbnail Grabber. A full link, a youtu.be short link, a Shorts link or just the 11-character video ID all work.
- The sizes that exist for that video appear as previews.
- Press Download under the one you want.
YouTube serves thumbnails as ordinary public image files named by video ID, so no API key or login is involved. The tool works out the ID from what you paste and requests the images from YouTube's image server; only the video ID is involved.
Finding the video ID
Every YouTube video has an 11-character ID made of letters, digits, hyphens and underscores. It appears in every form of link:
- after
watch?v=in a normal link, up to any &; - after
youtu.be/in a short link; - after
/shorts/for a Short.
Extra parts such as a start time or playlist are ignored, so you can paste the address exactly as you copied it.
The sizes
| Size | Shape |
|---|---|
| 1280 × 720 | Widescreen 16:9 |
| 640 × 480 | 4:3, with bars |
| 480 × 360 | 4:3, with bars |
| 320 × 180 | Widescreen 16:9 |
Not every video has the largest size: older uploads and some lower-resolution videos stop at 480 × 360. Sizes that do not exist are left out rather than offered as broken downloads.
Black bars
The 640 × 480 and 480 × 360 versions have a 4:3 shape, so a widescreen thumbnail inside them gets black bars above and below. Take the 1280 × 720 version when it exists. If only a 4:3 size is available, trim the bars with Crop Image using the 16:9 preset.
Converting the file
Thumbnails download as JPG, which opens everywhere. To change format or shrink a batch for a website, use the Image Converter.
Using thumbnails responsibly
A thumbnail belongs to whoever made the video. Using one for reference, in a review or commentary, in teaching material, or as a link preview pointing to the video is ordinary use. Republishing it as your own artwork, or using it to promote something unrelated, is not. When you show someone else's thumbnail, credit the channel and link to the video. For your own videos, saving your thumbnails is a handy way to reuse them on other platforms or in a portfolio.
Designing your own thumbnails
If you are studying thumbnails to improve your own, look at them at the size viewers do — a few centimetres across on a phone. Large faces, few words and strong contrast are what remain readable at that size. Upload your own at 1280 × 720, the size YouTube recommends.