YouTube Thumbnail Downloader

Paste a video link, download its thumbnail in every resolution — free, no sign-up.

Every YouTube video already has its thumbnail sitting on YouTube's own servers at several fixed sizes — this tool just looks up which of those sizes actually exist for the link you paste and lets you grab any of them directly, from the small preview size up to the full 1280×720 HD version, without installing anything or waiting on a conversion.

How it works

  1. Paste a YouTube video link. Any regular video, Shorts, or youtu.be link works.
  2. See the available resolutions. Every thumbnail size that actually exists for the video is listed automatically, from HD down to small.
  3. Download the resolution you want. One click saves it as a JPG to your device.

Why Stelluna

Frequently Asked Questions

Is it free?
Yes, no account needed.

What resolutions can I download?
Up to 5 resolutions are listed, including 1280×720 (HD) when available — we only show sizes that actually exist for that video.

Does it work with any YouTube video?
Yes — regular videos, Shorts, and youtu.be short links are all supported.

Can I use the downloaded image commercially?
The thumbnail is still covered by the video's own copyright. Downloading your own video's thumbnail, or using one for personal/educational purposes, is fine — avoid using someone else's content commercially without permission.

Does it work for private or removed videos?
No, thumbnails are only accessible on YouTube's servers for videos that are publicly available.

Do I need to install anything or create an account?
No — paste the link, the tool fetches the thumbnail directly from YouTube's servers, and you download the image straight to your device. No software, no account, no watermark.

What if a video doesn't have an HD (maxresdefault) thumbnail?
Not every video has a full 1280×720 upload, so the tool automatically falls back to the next real size (SD, high quality, medium, or small) instead of showing a broken image.

Does downloading a thumbnail affect the original video in any way?
No — this only fetches the existing public thumbnail image; it doesn't touch the video, its view count, or anything on the creator's channel.