About html-to-image
html-to-image is a skill for converting HTML and CSS into images or PDFs through html2png.dev. It is intended for users producing web captures or visual assets, with controls for viewport, format, selector, and render delay.
Key features
- 01Convert HTML to PNG, WebP, or PDF
- 02Set viewport size and device scale
- 03Capture content by CSS selector
- 04Configure color scheme and transparency
- 05Take screenshots of website pages
Use cases
- 01Export an HTML design as PNG or WebP
- 02Create a PDF version of a web page
- 03Capture a selected region or full website
Install
Copy the command and run it in a terminal.
$
npx skills add https:/ / github.com/ html2png/ skills --skill html-to-imageAfter installing, type/html-to-imagein Claude Code to confirm it loaded.
Details
From the project READMEHTML to Image API
Convert HTML/CSS to PNG, WebP, or PDF via html2png.dev.
Endpoint
POST https://html2png.dev/api/convert
Request
Send HTML as raw body or JSON:
curl -X POST "https://html2png.dev/api/convert?width=1200&height=630" \
-H "Content-Type: text/html" \
-d '<div style="padding: 40px;">Content</div>'
curl -X POST "https://html2png.dev/api/convert" \
-H "Content-Type: application/json" \
-d '{"html": "<div>...</div>", "width": 1200}'
Parameters
| Parameter | Type | Default | Description |
|---|---|---|---|
html | string | required | HTML content |
width | int | 1200 | Width in px |
height | int | 630 | Height in px |
format | string | png | png, webp, pdf |
deviceScaleFactor | float | 2 | Retina scale (1-4) |
delay | int | 0 | Wait ms before capture |
selector | string | body | CSS selector to capture |
omitBackground | bool | false | Transparent bg |
colorScheme | string | - | light or dark |
zoom | float | 1 | Viewport zoom |
Response
{
"success": true,
"url": "https://html2png.dev/api/blob/abc.png",
"format": "png",
"cached": false
}
CDN Resources
Use these CDNs for high-quality designs:
Tailwind CSS (preferred):
<script src="https://cdn.tailwindcss.com"></script>
Google Fonts:
<link
href="https://fonts.googleapis.com/css2?family=Inter:wght@400;600;800&display=swap"
rel="stylesheet"
/>
Icons (use instead of inline SVGs):
- Lucide:
https://unpkg.com/lucide@latest - Font Awesome:
https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css
Images:
- Unsplash:
https://images.unsplash.com/photo-xxx - Any direct image URL
Example with Tailwind + Fonts + Icons
<!DOCTYPE html>
<html>
<head>
<script src="https://cdn.tailwindcss.com"></script>
<link
href="https://fonts.googleapis.com/css2?family=Inter:wght@400;600;800&display=swap"
rel="stylesheet"
/>
<script src="https://unpkg.com/lucide@latest"></script>
</head>
<body
class="bg-gradient-to-br from-purple-600 to-blue-600 flex items-center justify-center"
style="width: 1200px; height: 630px; font-family: 'Inter', sans-serif;"
>
<div
class="bg-white/10 backdrop-blur-lg rounded-2xl p-12 text-white text-center"
>
<i data-lucide="sparkles" class="w-16 h-16 mx-auto mb-4"></i>
<h1 class="text-6xl font-extrabold mb-4">Hello World</h1>
<p class="text-2xl opacity-90">Beautiful generated image</p>
</div>
<script>
lucide.createIcons();
</script>
</body>
</html>
Request with delay for resources to load:
curl -X POST "https://html2png.dev/api/convert?width=1200&height=630&delay=1000&deviceScaleFactor=2" \
-H "Content-Type: text/html" \
-d '<!DOCTYPE html>...</html>'
Key Tips
- Always use
deviceScaleFactor=2or higher for quality - Use
delay=1000-2000when loading fonts/icons/images - Any CSS works: grid, flex, transforms, filters, animations
- JavaScript executes (use delay for rendering)
Website Screenshot
POST https://html2png.dev/api/screenshot
curl -X POST "https://html2png.dev/api/screenshot" \
-H "Content-Type: application/json" \
-d '{"url": "https://example.com", "width": 1280, "fullPage": true}'
Extra params: fullPage (bool), userAgent (string)
Rate Limits
50 requests/hour per IP. Cached results are free.
Comments
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