YouTube Thumbnail Downloader for WordPress

A lightweight, responsive WordPress plugin that lets visitors extract and download available thumbnail images from public YouTube video URLs.

Live Demo

Try the tool: YouTube Thumbnail Downloader

How to Get: How to Get a Thumbnail

Features

• Multiple thumbnail qualities, including Max Resolution, SD, HQ and MQ
• Supports standard YouTube links, youtu.be, Shorts, Embed, Live and mobile URLs
• No YouTube API key required
• Responsive, dependency-free frontend JavaScript and CSS
• Restricted server-side download handler; it cannot proxy arbitrary URLs
• Editable brand name, heading and description in WordPress settings
• Simple shortcode: [youtube_thumbnail_downloader]

Installation

1. Download the latest plugin ZIP from the repository's Releases section.
2. In WordPress, open Plugins → Add New Plugin → Upload Plugin.
3. Upload the ZIP and activate it.
4. Open Settings → Thumbnail Downloader to edit the displayed text.
5. Add this shortcode to any page or post:

[youtube_thumbnail_downloader]

Repository Structure

youtube-thumbnail-downloader/
├── youtube-thumbnail-downloader.php
├── readme.txt
├── README.md
├── uninstall.php
├── LICENSE
├── assets/
│   ├── css/style.css
│   ├── js/script.js
│   └── images/.gitkeep
├── includes/functions.php
└── admin/admin-settings.php

Security and Privacy

• The plugin does not collect visitor data.
• No API keys are needed.
• The download endpoint validates the nonce, video ID and quality name.
• Remote image requests are restricted to YouTube's thumbnail host.

Usage Notice

Use downloaded thumbnails only when you have the necessary permission or another lawful basis. Users are responsible for respecting copyright, ownership rights and applicable platform terms.

License

GPL-2.0-or-later.