og-image

Original🇺🇸 English
Translated

Generate Open Graph (OG) images and social media preview cards for websites, blog posts, and products. Use when creating social share images, Twitter/X cards, LinkedIn post images, or any visual preview that appears when sharing links on social platforms. Produces properly sized images (1200x630, 1200x675, etc.) with crisp typography and professional layouts.

6installs
Added on

NPX Install

npx skill4agent add html2png/skills og-image

Tags

Translated version includes tags in frontmatter

OG Image Generator

Generate Open Graph and social media preview images via
html2png.dev
.

Standard Sizes

PlatformSizeAspect Ratio
Facebook/LinkedIn1200×6301.91:1
Twitter/X1200×6751.78:1 (16:9)
Twitter Large1200×6002:1
Square1200×12001:1

Endpoint

POST https://html2png.dev/api/convert

Example

bash
curl -X POST "https://html2png.dev/api/convert?width=1200&height=630&deviceScaleFactor=2" \
  -H "Content-Type: text/html" \
  -d '<!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">
</head>
<body class="flex items-center justify-center" style="width: 1200px; height: 630px; font-family: Inter, sans-serif; background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);">
  <div class="text-center text-white px-16">
    <h1 class="text-7xl font-extrabold mb-6 leading-tight">How to Build APIs</h1>
    <p class="text-3xl opacity-90 mb-8">A complete guide to RESTful design</p>
    <div class="flex items-center justify-center gap-4">
      <div class="w-16 h-16 rounded-full bg-white/20"></div>
      <span class="text-xl">By John Doe · 10 min read</span>
    </div>
  </div>
</body>
</html>'

Key Elements

Typography:
  • Large, bold headline (60-80px)
  • Readable subheadline (24-32px)
  • High contrast against background
Layout:
  • Centered or left-aligned content
  • Generous padding (60-100px)
  • Clear visual hierarchy
Backgrounds:
  • Gradient overlays
  • Subtle patterns
  • Brand colors
Images:
  • Author avatars (circular, 80-120px)
  • Logos (top corner or centered)
  • Decorative elements (subtle)

CDN Resources

Fonts:
html
<link
  href="https://fonts.googleapis.com/css2?family=Inter:wght@400;600;800&display=swap"
  rel="stylesheet"
/>
Icons:
html
<script src="https://unpkg.com/lucide@latest"></script>

Tips

  • Always use
    deviceScaleFactor=2
    for crisp text
  • Use
    delay=1000
    for font loading
  • Keep text minimal (3-5 words headline max)
  • Test at small sizes (images get compressed in feeds)
  • Use high contrast for readability

Rate Limits

50 requests/hour per IP.