Online Tools

YouTube Thumbnail Downloader (HD, One Click)

Paste a YouTube link or 11-character video ID below and click “Get thumbnails” to see every cover size of that video: up to 1280×720 (maxresdefault), plus 640×480, 480×360, 320×180 and 120×90. Click “Download JPG” to save one or copy its URL. Videos without an HD cover are flagged automatically. Free, no sign-up — your browser loads the images straight from YouTube.

Try an example:

Works with youtube.com/watch?v=, youtu.be/, /shorts/, /live/, /embed/, m.youtube.com, music.youtube.com, links with &t= / ?si= parameters, and bare 11-character IDs.

🔒 Your browser loads the images directly from YouTube’s image server (i.ytimg.com). 17NAS does not proxy or store the videos or images you look up.

Key facts at a glance

Price
Free — no sign-up, no watermark, no limits
Input
watch / youtu.be / Shorts / live / embed / mobile links, or an 11-character ID
Sizes
1280×720 (maxresdefault, hq720), 640×480, 480×360, 320×180, 120×90
Formats
JPG (direct download); WebP (opens the original in a new tab)
Missing sizes
YouTube’s 120×90 placeholder is detected and marked “not available”
How it works
Your browser reads public images from i.ytimg.com directly — nothing goes through 17NAS
Network
Your network must be able to reach YouTube’s image server i.ytimg.com
Devices
Modern browsers on Windows, macOS, Linux, Android and iPhone/iPad
Privacy
17NAS doesn’t log the videos you look up or store any images
Last updated

How to download a YouTube thumbnail

Three steps get you the cover of any public video — nothing to install.

  1. Pasting a YouTube video link into the input box
    Step 1

    Paste the video link

    Copy the share link of a video or Short on YouTube and paste it into the box — an 11-character video ID also works.

  2. Thumbnail results with the 1280×720 version tagged as best
    Step 2

    Get every size

    Click “Get thumbnails”. The tool lists six sizes with their real resolution; the one tagged “Best” is the highest quality available.

  3. Clicking the Download JPG button to save the thumbnail
    Step 3

    Download or copy the link

    Click “Download JPG” to save it. For WebP, click “WebP” to open the original and right-click to save. Or copy the image URL.

Get a thumbnail now

YouTube thumbnail sizes

Every public video’s thumbnails live at a fixed address: https://i.ytimg.com/vi/VIDEO_ID/FILE.jpg. These are all the sizes this tool checks:

File name Size Ratio Notes
maxresdefault.jpg 1280 × 720 16:9 Highest quality; only exists for videos uploaded in 720p+ or with a custom thumbnail — often missing on old videos
hq720.jpg 1280 × 720 16:9 Another 1280×720 rendition; some videos (including some Shorts) have this but not maxres
sddefault.jpg 640 × 480 4:3 Standard definition; 4:3 frame, so 16:9 videos get black bars
hqdefault.jpg 480 × 360 4:3 High quality; almost every video has it, 4:3 with black bars
mqdefault.jpg 320 × 180 16:9 Medium; 16:9 without bars, every video has it
default.jpg 120 × 90 4:3 Smallest, used in lists

Features and limitations

The tool only reads thumbnails that YouTube serves publicly. Here is what it can and cannot do:

Feature Status Notes
All link formats Yes watch, youtu.be, Shorts, live, embed, mobile, YouTube Music, links with timestamps or share parameters
1280×720 HD cover Partial Available when the video has maxres/hq720; otherwise flagged and the next best is recommended
One-click JPG download Yes If the browser blocks it, an original-image link is shown for right-click saving
WebP format Partial YouTube’s WebP images can’t be downloaded by web pages, so the original opens in a new tab
Title and channel Partial Fetched via YouTube’s official oEmbed; private or restricted videos may not show it
Private or deleted videos No Shows “not found” once YouTube no longer serves its thumbnails
Batch or playlist download No One video at a time; for a playlist, paste the link of a video in it
Networks that block YouTube No Images come straight from i.ytimg.com with no relay; a connection error is shown if it can’t be reached

FAQ

How do I download a YouTube video’s thumbnail?

Copy the video link, paste it into the box on this page, click “Get thumbnails”, then click “Download JPG” on the size you want. The largest is the 1280×720 maxresdefault cover.

What is the largest YouTube thumbnail resolution?

The largest public size is 1280×720 (maxresdefault.jpg or hq720.jpg), which is also YouTube’s recommended upload size. Some maxres files are slightly different, such as 1278×720; the tool shows the real pixel size.

Why do some videos have no 1280×720 cover?

YouTube only creates maxres for videos uploaded in 720p or higher or with a custom thumbnail. For older or low-resolution videos it returns a grey 120×90 placeholder; the tool detects it, marks the size as not available and tags the best remaining size.

Can I download a YouTube Shorts thumbnail?

Yes. Paste the youtube.com/shorts/… link. Shorts thumbnails are still landscape files (the vertical frame gets blur or bars), and the quality depends on which sizes YouTube generated.

What if the download button doesn’t work?

Some browsers, extensions or networks block cross-site downloads. The card then shows an “Open original” link: open it in a new tab and right-click (long-press on phones) → “Save image as” to keep the same file.

Why does it say it can’t reach YouTube’s image server?

Thumbnails load directly from i.ytimg.com in your browser; this site does not proxy them. If your current network (a workplace or some regions) blocks YouTube, you’ll see this message — try again on a network that can reach YouTube.

Why do sddefault and hqdefault have black bars?

Those sizes are 4:3 (640×480 and 480×360), so a 16:9 picture gets bars above and below. For a bar-free landscape image pick maxresdefault, hq720 or mqdefault (320×180).

Can I freely use someone else’s YouTube thumbnail?

Thumbnails are copyrighted by the video’s creator. Personal reference, study or showing it when you link to that video is usually fine; get the creator’s permission before commercial use or republishing.

Do I need to sign in or install an extension?

No. Thumbnails are public images, so just open this page and paste a link — it works in desktop and mobile browsers.

Can I turn a downloaded thumbnail into a new cover?

Yes. Click “Make a new thumbnail from this cover” in the results to load the best-quality cover as the background in the 17NAS YouTube Thumbnail Maker, then add text and stickers and export a 1280×720 PNG or JPG.