Paste any YouTube link. Get every resolution, instantly.
Where to find it depends on where you're watching:
/shorts/ link, which this tool reads the same as a regular video link.YouTube stores five thumbnail files per upload, named default.jpg, mqdefault.jpg, sddefault.jpg, hqdefault.jpg, and maxresdefault.jpg, at a predictable URL under img.youtube.com/vi/<video id>/. Two of these, sddefault.jpg and maxresdefault.jpg, aren't guaranteed to exist on every upload — maxresdefault.jpg is only generated when the uploader supplied a custom thumbnail image at 1280x720 or larger, and sddefault.jpg is sometimes missing on older uploads. If a channel let YouTube auto-select a frame from the video instead of these being generated, requesting the missing file returns a small grey placeholder rather than an error. This tool checks the actual dimensions of the response before showing you either option, so you're not stuck downloading a placeholder thinking it's the full image.
| File | Dimensions | Always present? |
|---|---|---|
| default.jpg | 120x90 | Yes |
| mqdefault.jpg | 320x180 | Yes |
| sddefault.jpg | 640x480 | Most videos (not guaranteed on older uploads) |
| hqdefault.jpg | 480x360 | Yes |
| maxresdefault.jpg | 1280x720 | Only if a custom thumbnail was uploaded |
The Download this size button saves the JPG straight to your device, named after the video ID and the size, for example dQw4w9WgXcQ-maxresdefault.jpg. A few setups block that and show the image on its own instead. The usual cause is the browser built into Instagram, Facebook, TikTok or a messaging app, and some privacy-focused browsers do it too. The image is still yours to save, and how you do it depends on your device:
Shorts links (youtube.com/shorts/...)
Shorts use the same video ID scheme as regular videos, but the ID sits in a different part of the URL path. A tool that only reads the ?v= query parameter will fail silently on a Shorts link. This one also checks for the /shorts/ path pattern before extracting the ID.
youtu.be short links
The shortened youtu.be/<id> format puts the ID directly after the domain with no query string at all, which is a different extraction pattern than a full youtube.com URL and is handled separately here.
Private or deleted videos
Thumbnail files can sometimes still be fetched for a short period after a video is deleted or set to private, since the image is cached separately from the video metadata. If a fetch succeeds but the video itself no longer plays elsewhere, that's why. When no image can be found at all, the tool says so instead of showing a blank placeholder.
Playlist, channel and clip links
These are real YouTube links, but none of them points at a single video, so there is no thumbnail to fetch. Rather than failing quietly, the tool names the kind of link it was and what to copy instead, and each message is explained on the troubleshooting page. A link to a video that sits inside a playlist works normally.
Thumbnail Downloader can be installed straight from your browser, with no app store and no account. It is the same site, so it opens from your home screen or desktop in its own window, without the browser's tabs and address bar around it.
It still needs an internet connection, because the thumbnails come from YouTube's servers. Offline, the app opens but can't fetch anything until you reconnect. You can remove it like any other app whenever you like.
Does this store or log the videos I look up?
No. The video ID is extracted in your browser and used only to build the image URL. Nothing about the link you paste is sent to or saved on a server — see the privacy policy for the full details.
Why is the downloaded file sometimes a JPG that won't open as PNG?
Every thumbnail file YouTube generates is a JPEG, regardless of the file extension a browser might suggest on save. If you need a transparent background, you'll need to edit the image afterward — YouTube doesn't produce a PNG version.
Can I use a downloaded thumbnail commercially?
Thumbnails remain the property of the video's owner regardless of where they're downloaded from. See the disclaimer for how this tool treats ownership and copyright.
Can I get a thumbnail for a livestream that's still running?
Live streams get a thumbnail once YouTube generates one from the stream, which can take a few minutes after it starts. Before that, the default and mqdefault files may return a placeholder frame rather than a real preview.
The tool isn't returning a thumbnail for my link
The message on screen says what's wrong. Most often the link is a playlist, channel or clip rather than a single video, or it was cut off when copied. Every message is explained here, with the fix for each. If it still doesn't work, let us know and include the link you tried.
The download button opened the image instead of saving it
Some browsers, mainly the ones built into other apps, block direct downloads. Press and hold the image on a phone, or right-click it on a computer, and choose to save it. The saving steps for each device are above.
Is there an app, and does it cost anything?
There is no app store version. Thumbnail Downloader is a web app, which means your browser installs it for free in a couple of taps and it opens like any other app on your home screen or desktop. There is no account and no sign-in. Install steps are above, or use the Install app link at the bottom of the page.
How do I share a YouTube video straight to Thumbnail Downloader?
On Android with Chrome, install the app first. Then in the YouTube app, tap Share on any video and pick Thumbnail Downloader from the list. It appears in that list once it has been installed from Chrome. This isn't available on iPhone or on desktop, where you paste the link instead. Share a single video, not a playlist or channel; if you share the wrong kind of link, the tool tells you what to share instead.
Does the app work offline?
The app opens without a connection, but it can't fetch thumbnails offline, because they are loaded from YouTube's servers each time. Once you're back online it works as normal.
How do I switch between light and dark mode?
Use the button at the bottom right of any page. By default the site follows your device's light or dark setting, and once you pick one it is remembered on that device.