Generate Visual Reports & Thumbnails from Web Content

Building a link directory, content aggregator, or dashboard? You need thumbnail previews of web pages. Rather than relying on unreliable meta images or building your own headless browser infrastructure, use SnapAPI to generate accurate website thumbnails on demand.

Common Use Cases

• Link preview thumbnails — Show visual previews of URLs in chat apps, bookmarking tools, or CMS platforms.
• Report generation — Capture web dashboards (Grafana, analytics) as images for PDF reports or email digests.
• Content directories — Generate thumbnails for website listings, app stores, or portfolio showcases.
• Email newsletters — Embed live website previews in newsletters instead of stale static images.

Code Example

Generate a Website Thumbnail

async function getThumbnail(url) {
  const res = await fetch('https://snapapi.eu/v1/screenshot', {
    method: 'POST',
    headers: {
      'Content-Type': 'application/json',
      'X-API-Key': process.env.SNAPAPI_KEY
    },
    body: JSON.stringify({
      url,
      width: 1280,
      height: 800,
      format: 'webp',    // Smaller file size
      quality: 80
    })
  });

  return Buffer.from(await res.arrayBuffer());
}

// Generate thumbnails for a list of URLs
const urls = ['https://github.com', 'https://news.ycombinator.com'];
for (const url of urls) {
  const img = await getThumbnail(url);
  // Store in database, upload to CDN, etc.
}

Batch Processing with Caching

For high-volume use, cache thumbnails and refresh them periodically:

# Quick thumbnail via cURL
curl -X POST https://snapapi.eu/v1/screenshot \
  -H "Content-Type: application/json" \
  -H "X-API-Key: $SNAPAPI_KEY" \
  -d '{"url":"https://example.com","width":1280,"height":800,"format":"webp"}' \
  --output thumbnail.webp

# Resize locally for smaller thumbnails
convert thumbnail.webp -resize 400x250 thumbnail-sm.webp

Why SnapAPI for Thumbnails?

• Accurate rendering — Real Chromium browser captures the page exactly as users see it, including JavaScript-rendered content.
• Multiple formats — PNG for lossless quality, WebP for smaller file sizes, JPEG for maximum compatibility.
• Custom viewport — Set any width/height to capture desktop, tablet, or mobile views.
• EU-hosted — All screenshots rendered in Germany. GDPR compliant by default.