How does SnapDOM compare to html2canvas?

SnapDOM is significantly faster, ranging from 10x to 40x speed improvements depending on complexity, and has zero external dependencies.

How does SnapDOM handle cross-origin (CORS) images?

It provides a built-in proxy fallback option to handle resources that would otherwise be blocked by browser security policies.

Can I use SnapDOM to download images directly in the browser?

Yes, SnapDOM includes a dedicated .download() method that simplifies saving any element as a PNG or SVG file.

Is it possible to exclude specific elements from the screenshot?

Yes, you can use the 'exclude' option with a CSS selector to hide specific UI components, like buttons or watermarks, during the capture.

Does it support CSS pseudo-elements like ::before and ::after?

Yes, SnapDOM accurately captures pseudo-elements, CSS counters, line-clamping, and shadow DOM content.

SnapDOM Image Capture

Name: SnapDOM Image Capture
Author: tianzecn

bytianzecn

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デザインツール

Converts HTML DOM elements into high-performance SVG and raster images with full CSS style preservation.

概要

SnapDOM is an ultra-fast, dependency-free library designed for developers who need to programmatically capture web elements. It excels at preserving complex CSS styles, including pseudo-elements, shadow DOM, and embedded fonts, making it ideal for generating dynamic social media previews, automated UI screenshots, or exporting user-generated designs. By utilizing native Web APIs rather than heavy dependencies, SnapDOM delivers significantly faster rendering speeds, outperforming traditional alternatives like html2canvas by 10 to 40 times on complex layouts.

主な機能

Zero external dependencies for a lightweight integration footprint
High-speed rendering (up to 40x faster than html2canvas)
Built-in CORS proxy fallback and asset embedding capabilities
1 GitHub stars
Supports SVG, PNG, JPG, WebP, and Canvas export formats
Full CSS support including pseudo-elements, counters, and Shadow DOM

ユースケース

Automating UI component screenshots for design systems and technical documentation
Implementing 'Export as Image' features for web-based dashboards and data visualizations
Generating dynamic Open Graph images or social media cards from live HTML elements

概要

主な機能

Zero external dependencies for a lightweight integration footprint
High-speed rendering (up to 40x faster than html2canvas)
Built-in CORS proxy fallback and asset embedding capabilities
1 GitHub stars
Supports SVG, PNG, JPG, WebP, and Canvas export formats
Full CSS support including pseudo-elements, counters, and Shadow DOM

ユースケース

Automating UI component screenshots for design systems and technical documentation
Implementing 'Export as Image' features for web-based dashboards and data visualizations
Generating dynamic Open Graph images or social media cards from live HTML elements