AM Every YouTube video has a set of thumbnail images stored at fixed sizes. This tool finds all of them for any public video link and shows them side by side with a download button for each. It is useful when you need your own thumbnail back after losing the original file, want a reference board of thumbnails in your niche or are checking how a design looks at small sizes.
It runs in your browser with no daily limit, and it never downloads the video itself.
How to use the thumbnail downloader
- Copy the video link. All common formats work:
- Watch links: youtube.com/watch?v=VIDEO_ID
- Short links: youtu.be/VIDEO_ID
- Shorts: youtube.com/shorts/VIDEO_ID
- Live streams: youtube.com/live/VIDEO_ID
- Embed links: youtube.com/embed/VIDEO_ID
- Paste it into the box at the top of this page and run the lookup.
- Review the sizes shown. Each preview is labeled with its name, pixel size and shape. Sizes that do not exist for that video are left out.
- Click Download JPG on the size you need. The file is named with the video ID and size, for example youtube-VIDEO_ID-maxresdefault.jpg.
- Use Open to view the image in a new tab, or Copy URL to paste the direct image address into a document or CMS.
The thumbnail sizes YouTube publishes
| Name | Size (pixels) | Shape | Always available? |
|---|---|---|---|
| maxresdefault | 1280 x 720 | 16:9 | Only when the video or custom thumbnail was uploaded in HD |
| sddefault | 640 x 480 | 4:3 | Usually |
| hqdefault | 480 x 360 | 4:3 | Yes |
| mqdefault | 320 x 180 | 16:9 | Yes |
| default | 120 x 90 | 4:3 | Yes |
The 4:3 sizes (sddefault, hqdefault and default) hold a 16:9 image with black bars at the top and bottom, so they look letterboxed. For a clean widescreen image, use maxresdefault or, if that is missing, mqdefault. The largest file YouTube publishes at these addresses is 1280 x 720, even if the creator uploaded a larger custom thumbnail.
When a thumbnail download is useful
- Recovering your own artwork. If you lost the original file for an old video, the maxresdefault copy is the best version YouTube keeps publicly.
- Building a reference board. Save the top thumbnails for a search phrase into one folder to compare styles before you design.
- Checking readability. Download the small sizes of your own thumbnail to see what viewers on phones actually see.
- Linking your own video. Use your thumbnail as the preview image in a blog post, product page or newsletter that links to the video.
Worked example: a quick thumbnail audit
You run a cooking channel and want to redesign thumbnails. Search your main topic on YouTube, paste the top eight results here one by one, and download the mqdefault (320 x 180) of each, which is close to the size most people see in a phone feed. Put them in one folder next to your own. You may find that six of eight use a close-up of the finished dish with two or three words of text, and that yours has seven words that are unreadable at that size. That is a clear, specific fix, found in ten minutes.
How the tool works
Every YouTube video has an 11-character ID, which appears in all the link formats above. YouTube serves thumbnails from its image servers at predictable addresses built from that ID and the size name. The tool extracts the ID from your link, requests each size from your browser, checks which ones really exist and shows those. It does not download the video, does not need a YouTube account and only works with thumbnails YouTube already makes public.
Copyright: who owns a thumbnail
A thumbnail is a creative work, and it belongs to the creator who made it, or to whoever owns the photos and artwork in it. Being able to download an image does not give you the right to reuse it.
- Fine: downloading thumbnails from your own videos, saving competitor thumbnails as private reference while designing your own, and research such as comparing layouts, colors and text across a niche.
- Get permission first: using another creator's thumbnail in your own video, thumbnail, article, ad or product. When in doubt, ask the creator.
- Never: re-uploading someone's thumbnail as your own. That can lead to a copyright removal request against your video.
Warning: Commentary, criticism and news can sometimes qualify as fair use in the US, but fair use is decided case by case. It is not a blanket permission, so do not rely on it without reading YouTube's guidance or getting advice.
YouTube's custom thumbnail requirements in 2026
If you are downloading an old thumbnail to edit and re-upload, make sure the new file meets YouTube's current specs. According to YouTube's custom thumbnail help page (checked September 2026):
| Requirement | Videos | Shorts |
|---|---|---|
| Recommended resolution | 3840 x 2160 | 2160 x 3840 |
| Minimum | 640 pixels wide | 640 pixels high |
| Aspect ratio | 16:9 | 9:16 |
| File format | JPG or PNG | JPG or PNG |
| Maximum file size | 50MB on desktop, 2MB on mobile | 50MB on desktop |
Your account must be verified to add custom thumbnails, custom Shorts thumbnails can only be added in YouTube Studio on desktop, and every thumbnail must follow YouTube's Community Guidelines. To change one, open YouTube Studio, go to Content, click the video and use Upload file in the Thumbnail section. Channels with access can also test up to three thumbnails and titles with Test and compare. A 1280 x 720 download is below the new recommended size, so rebuild from your original design file when you can. If you only have the download, the image resizer can bring it to 1920 x 1080, but it will not add real detail.
A checklist for thumbnails that work at small sizes
Use the small downloads to test your own design against these points before you publish:
- One subject. A face, a product or a result, large enough to recognize at 320 x 180.
- Three to five words at most. If text is needed, it should add to the title rather than repeat it.
- Strong contrast. Check the thumbnail on both a light and a dark YouTube theme.
- Nothing important in the bottom right corner. YouTube places the video length there.
- Consistent style. Similar colors and layout across a series help returning viewers spot your videos.
- Honest promise. The thumbnail should show something that appears in the video. Test and compare rewards watch time, not just clicks.
Who uses this tool
- Creators recovering old artwork or checking designs at feed size.
- Designers and editors building mood boards for a client's niche.
- Bloggers and stores embedding their own videos with a matching preview image.
- Teachers and marketers putting a video's thumbnail in slides that link to it.
Troubleshooting
- "That does not look like a YouTube video link". Paste a link to one video. Playlist and channel links do not contain a video ID.
- No HD version. The video or its thumbnail was not uploaded in HD. Use mqdefault for a clean 16:9 image.
- The download opened in a new tab instead. Your browser blocked the direct download. Right click the image (or long press on a phone) and choose Save image as.
- The thumbnail looks out of date. YouTube caches thumbnails. After a creator changes one, the old image can linger for a while.
Common mistakes
- Downloading hqdefault for a banner or blog image. It is 4:3 with black bars. Use maxresdefault for a clean 16:9 image.
- Re-uploading a 1280 x 720 download as your new master file. Keep your original design files. The public copy is compressed.
- Judging a design at full size only. Most people see thumbnails small. If the text is unreadable at 320 x 180, it is too small.
Using thumbnails in your research
Collect the top thumbnails for a search phrase and look for patterns: face or no face, amount of text, dominant colors, and what the image promises. Then look for the gap. If every thumbnail for a topic is a bright face with three words of yellow text, a clean before and after image may stand out more. Pair that with the titles and tags of the same videos using the YouTube tag extractor and the title generator. For planning at channel scale, AM Jarvis YouTube Studio writes thumbnail text briefs alongside titles, descriptions, tags and script outlines for each video in a topic cluster.