Beautiful social cards from a URL.

Pick a template, fill the params, drop one meta tag. No design canvas. Free for any link, even commercial — Pro removes the watermark and lets you drop in your own logo.

6 templates1200×630 PNGCDN-cached

Rendering

Image URL

https://og.labs.basenull.com/api/og?template=editorial&title=How+we+shipped+a+daily-launch+SaaS+company+in+three+weeks&kicker=Build+journal+%C2%B7+2026&site=basenull.com&accent=D4763A

Drop into <head>

Open PNG

<meta property="og:image" content="https://og.labs.basenull.com/api/og?template=editorial&title=How+we+shipped+a+daily-launch+SaaS+company+in+three+weeks&kicker=Build+journal+%C2%B7+2026&site=basenull.com&accent=D4763A">
<meta name="twitter:card" content="summary_large_image">
<meta name="twitter:image" content="https://og.labs.basenull.com/api/og?template=editorial&title=How+we+shipped+a+daily-launch+SaaS+company+in+three+weeks&kicker=Build+journal+%C2%B7+2026&site=basenull.com&accent=D4763A">

HTML

<meta property="og:image"
  content="https://og.labs.basenull.com/api/og?template=editorial&title=Hello&site=acme.com">
<meta name="twitter:card" content="summary_large_image">
<meta name="twitter:image"
  content="https://og.labs.basenull.com/api/og?template=editorial&title=Hello&site=acme.com">

Next.js generateMetadata

export function generateMetadata({ params }) {
  const url = `https://og.labs.basenull.com/api/og?` +
    `template=editorial&title=${encodeURIComponent(params.slug)}&site=acme.com`;
  return {
    openGraph: { images: [url] },
    twitter: { card: "summary_large_image", images: [url] },
  };
}

Astro / 11ty / Hugo

<!-- in your <head> layout -->
<meta property="og:image"
  content="https://og.labs.basenull.com/api/og?template={{template}}&title={{title}}&site={{site}}">
<meta name="twitter:card" content="summary_large_image">

Pricing

Free is fully usable. Pro is for unbranded, on-brand cards.

Free

All six templates, both themes
Custom accent colors
1200×630 PNG, CDN-cached
Small og.labs.basenull.com watermark

Recommended

Pro

/ month

or $89/year — two months free

No watermark
Custom logo via ?logo=
1000 cache-miss renders/min
Future templates auto-included

Get Pro