snapdom

Convert HTML DOM elements into SVG, PNG, and WebP images.

Updated Feb 13, 2026
One-click install
npx skills add https://github.com/yongc2025/NovelFactory --skill snapdom-yongc2025
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: snapdom
Source: https://github.com/yongc2025/NovelFactory/tree/main/.skills/snapdom
Command: npx skills add https://github.com/yongc2025/NovelFactory --skill snapdom-yongc2025

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This skill solves the challenge of accurately capturing specific DOM elements as images, ensuring that complex CSS styles, pseudo-elements, and embedded fonts are preserved during the conversion process.

Core Features & Use Cases

  • Universal Export: Generate SVG, PNG, JPG, or WebP images directly from HTML nodes.
  • High Fidelity: Supports CSS pseudo-elements, shadow DOM, and custom fonts for pixel-perfect results.
  • Performance: Optimized for speed, significantly outperforming traditional canvas-based capture libraries.
  • Use Case: Automatically generate social media preview cards or downloadable reports directly from your web application's UI components.

Quick Start

Use the snapdom skill to capture the element with the id target and download it as a png file.

Frequently Asked Questions about snapdom

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I convert HTML DOM elements to high-quality images like SVG or PNG?

To convert HTML DOM elements to images, use snapdom to transform web nodes directly into high-fidelity SVG, PNG, JPG, or WebP formats. It accurately preserves complex CSS styles, pseudo-elements, and custom fonts during the conversion process.

Does converting HTML to images support shadow DOM and CSS pseudo-elements?

Yes, converting HTML to images with this tool fully supports shadow DOM and CSS pseudo-elements. It ensures pixel-perfect results by accurately capturing complex CSS styles and embedded icon fonts that standard capture methods often miss.

What is the best way to capture web UI components for downloadable reports?

The best way to capture web UI components for downloadable reports is using optimized DOM-to-image conversion. This approach outperforms traditional canvas-based capture libraries in speed while maintaining high fidelity for web-based reporting and screenshotting.

How do I take a screenshot of a specific element and download it as a PNG?

To take a screenshot of a specific element, target the desired HTML node by its identifier and process it through the conversion utility. You can then directly download the captured DOM structure as a PNG file.

Why use DOM serialization instead of canvas-based capture for web screenshots?

Using DOM serialization instead of canvas-based capture provides significant performance improvements and higher fidelity. It correctly renders complex scenarios like embedded fonts and pseudo-elements without the cross-origin tainting issues associated with canvas.