How to Download a YouTube Thumbnail on Android

· 5 min read

Short version: open the YouTube app, share the video and copy the link, paste it into thumbgrabber.app in Chrome, long-press the thumbnail you want, and tap Download image. About 15 seconds end to end. Below: every Android browser this works in, the three things that commonly go wrong, and how to fix each one.

Step-by-step (Chrome)

  1. Open the YouTube app and go to the video whose thumbnail you want. Tap Share below the video, then Copy link.
  2. Open Chrome and go to thumbgrabber.app.
  3. Tap the input box at the top, long-press, and choose Paste.
  4. Tap "Get the thumbnails". The available sizes appear in a grid.
  5. Long-press the thumbnail you want to save. The Chrome context menu appears.
  6. Tap Download image. The file lands in your Downloads folder and shows up in Google Photos within a minute.

If you'd rather use the on-page Download button instead of long-pressing, that works too — it produces the same JPG file in your Downloads folder.

Samsung Internet (on Galaxy phones)

Almost identical to Chrome, with one difference: the long-press menu shows Save image instead of "Download image". The file goes to My Files → Internal storage → Download and appears in Gallery / Samsung Gallery automatically.

Samsung Internet has a small advantage here: its built-in download manager shows a thumbnail preview of the saved image, so you can tell immediately whether you got the high-res version or the small fallback.

Firefox Mobile

Long-press → Save image. Same downloads folder. One thing to know: Firefox Mobile sometimes asks for storage permission the first time you save an image. Approve it once and it won't ask again.

If the download fails silently

Three common causes:

  • → You're on restricted Wi-Fi. School, office, hotel, airport, and university networks often block direct downloads from img.youtube.com even when the rest of YouTube works. The save fails without an error message. Switch to mobile data and try again — a thumbnail is 100-300 KB so it barely touches your data plan.
  • → Chrome's download permission is off. Go to Android Settings → Apps → Chrome → Permissions → Files and media. Make sure it's enabled. (This usually only happens on phones that have been restored from a backup.)
  • → Your storage is full. Android sometimes fails downloads silently when free space is below ~500 MB. Check Settings → Storage.

Sharing the thumbnail without saving it first

If you only need the thumbnail to send to someone (not keep), long-press in Chrome and choose Share image instead of Download image. Android's share sheet pops up and you can send it directly to WhatsApp, Messages, Telegram, Discord, or any app that accepts images. The file never touches your Downloads folder.

For YouTube Shorts

Same flow. Share → Copy link from the Short, paste into the Shorts downloader (or the main page), long-press → Download. The file you get is the 16:9 frame YouTube stores, not the vertical 9:16 video frame — there's no way to download the vertical frame because YouTube doesn't expose it as a standalone image.

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