Free tool. 7 schema types.

Schema Markup Generator

Pick a schema type, fill in the fields, and copy the JSON-LD code. No coding needed.

JSON-LD Output

<script type="application/ld+json">
{
  "@context": "https://schema.org",
  "@type": "LocalBusiness"
}
</script>

Paste this code in your page's <head> section or before the closing </body> tag.