Developer Utilities · Free tool
Schema Markup Generator
Generate valid JSON-LD schema markup for Article, Product, FAQ, and more instantly online. Copy structured data into your head section free, no sign-up.
JSON-LD
<script type="application/ld+json">
{
"@context": "https://schema.org",
"@type": "Article",
"headline": "How to Use UTM Parameters",
"author": {
"@type": "Person",
"name": "Jay"
},
"datePublished": "2026-04-22",
"image": "https://freetoolarena.com/og.png",
"mainEntityOfPage": "https://freetoolarena.com/guides/utm"
}
</script>Advertisement
What it does
Generate valid JSON-LD for the schema types most sites actually need: Article, Product, LocalBusiness, BreadcrumbList, Organization, Person, Event. Pick a type, fill the fields, and copy a JSON-LD block you can paste straight into your <head>.
For FAQ schema specifically use FAQ schema generator. Learn what it is and when to use it in our guide on what is schema markup. Pair with meta tag generator.
Embed this tool on your siteShow snippetHide
Paste this snippet into any page. Loads on-demand (lazy), no tracking scripts, and sized to most dashboards. Replace the height to fit your layout.
<iframe src="https://freetoolarena.com/embed/schema-markup-generator" width="100%" height="720" frameborder="0" loading="lazy" title="Schema Markup Generator" style="border:1px solid #e2e8f0;border-radius:12px;max-width:720px;"></iframe>How to use it
- Pick a schema type — Article, Product, etc.
- Fill the required fields; optional ones are labeled.
- Validate in the live preview — missing required fields are flagged.
- Copy the JSON-LD and paste inside <script type="application/ld+json"> in <head>.
Advertisement
Learn more
Guides about this topic
- How-To & Life · GuideHow to add schema markupImplement Schema.org types like Article and FAQ using JSON-LD. Validate with Rich Results test and win rich snippets with this free online guide.
- Using Our Tools · GuideHow to generate QR codesMake QR codes for URLs, WiFi, vCard, or text. Learn error correction and sizing, then generate your QR code online free with no sign-up in seconds.
- Using Our Tools · GuideHow to create a strong passwordGenerate a strong password instantly online for free. Build high-entropy passphrases following NIST 2026 rules with no download needed.
- Developers & Technical · GuideHow to encode and decode Base64Understand the 3-to-4 mechanic and 33% overhead for standard, URL-safe, and MIME Base64. Free online reference to avoid common mistakes, no download needed.
- Design & Media · GuideHow to choose a color paletteBuild accessible color palettes using HSL theory, monochromatic to triadic schemes, WCAG contrast checks, and dark mode tips. Free, no-download guide.
- Developers & Technical · GuideHow to use JWT tokens securelyImplement secure JWT authentication by choosing RS256, setting expiration, using httpOnly cookies, and preventing 'alg: none' attacks in your browser for free.
Explore more developer utilities tools
- Port Number LookupSearch over 140 well-known TCP and UDP ports by number or service name. Free online reference tool with no sign-up, covering web, mail, DNS, and more.
- Test Credit Card NumbersReference table of canonical test card numbers from Stripe, Adyen, and Braintree sandbox docs. Plus Luhn validator + network detector.
- IPv6 Expander & ShortenerFormat IPv6 addresses to canonical form, handling zone IDs and prefixes, instantly online—free tool with no registration required.
- Htpasswd GeneratorCreate .htpasswd lines for Apache or nginx basic auth with browser-only SHA hashing instantly. Includes config snippets and a free online tool with no registration.
- Chmod CalculatorCalculate Unix file permissions: octal (755, 644) ↔ symbolic (rwxr-xr-x) ↔ rwx checkboxes. Covers setuid, setgid, sticky bit. With presets.
- Excel Formula ExplainerPaste any formula and get a plain-English breakdown of 60+ functions online free—no sign-up required, in your browser.