Youtube Thumbnail Downloader by Dhrub Kumar Sharma
Preview, download, and resize Full HD (1280×720) & 4K YouTube thumbnails from any video, Shorts, or Live stream in 1 click.
Available on Firefox for Android™Available on Firefox for Android™
305 Users305 Users
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About this extension
<a href="https://youtubethumbnaildownload.com/"><strong>YouTube Thumbnail Download</strong></a> is a fast, lightweight creator extension and web studio that lets you preview and save YouTube™ thumbnails in all 5 resolutions with 1 click.
<strong>Key Features:</strong>
<ul>
<li><strong>1-Click Button on YouTube:</strong> Adds a clean thumbnail studio button directly to the YouTube watch bar (supports videos, Shorts, and Live streams).</li>
<li><strong>Live Toolbar Popup Preview:</strong> Click the toolbar icon on any YouTube video to preview its 16:9 HD thumbnail and open all resolutions immediately.</li>
<li><strong>All 5 Resolutions & Formats:</strong> Save Full HD (1280×720), Standard (640×480), High Quality (480×360), Medium (320×180), and Small (120×90) in JPG, PNG, WebP, or batch ZIP.</li>
<li><strong>1-Click Creator Web Studio:</strong> Send any video directly to our <a href="https://youtubethumbnaildownload.com/youtube-thumbnail-resizer">YouTube Thumbnail Resizer</a> (4K & under-2MB optimizer), <a href="https://youtubethumbnaildownload.com/youtube-thumbnail-previewer">Thumbnail Previewer</a>, <a href="https://youtubethumbnaildownload.com/youtube-tag-extractor">Tag Extractor</a>, and <a href="https://youtubethumbnaildownload.com/tools">15 Free Creator Tools</a>.</li>
</ul>
<strong>Key Features:</strong>
<ul>
<li><strong>1-Click Button on YouTube:</strong> Adds a clean thumbnail studio button directly to the YouTube watch bar (supports videos, Shorts, and Live streams).</li>
<li><strong>Live Toolbar Popup Preview:</strong> Click the toolbar icon on any YouTube video to preview its 16:9 HD thumbnail and open all resolutions immediately.</li>
<li><strong>All 5 Resolutions & Formats:</strong> Save Full HD (1280×720), Standard (640×480), High Quality (480×360), Medium (320×180), and Small (120×90) in JPG, PNG, WebP, or batch ZIP.</li>
<li><strong>1-Click Creator Web Studio:</strong> Send any video directly to our <a href="https://youtubethumbnaildownload.com/youtube-thumbnail-resizer">YouTube Thumbnail Resizer</a> (4K & under-2MB optimizer), <a href="https://youtubethumbnaildownload.com/youtube-thumbnail-previewer">Thumbnail Previewer</a>, <a href="https://youtubethumbnaildownload.com/youtube-tag-extractor">Tag Extractor</a>, and <a href="https://youtubethumbnaildownload.com/tools">15 Free Creator Tools</a>.</li>
</ul>
Rated 3.8 by 4 reviewers
Permissions and data
Required permissions:
- Access your data for www.youtube.com
- Access your data for m.youtube.com
Data collection:
- The developer says this extension doesn't require data collection.
More information
- Add-on Links
- Version
- 2.0.0
- Size
- 30 KB
- Last updated
- 12 days ago (Nov 1, 2026)
- Related Categories
- License
- All Rights Reserved
- Version History
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