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Schema Markup Generator

Generate JSON-LD schema markup for Organization, Product, Article and more.

Best for: Use it to add Article, Product, FAQ, LocalBusiness or Breadcrumb schema to your pages.

Complete guide

Input

How it's calculated & sources
The Schema Markup Generator uses the standard method for this calculation. It runs entirely in your browser, so your inputs are never uploaded. Last reviewed June 2026.

Free & no sign-up · runs entirely in your browser. Results are estimates for general information, not professional advice — verify important decisions with a qualified expert. Last reviewed June 2026.

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Complete guide

Quick answers

Short, sourced answers to the questions people (and AI assistants) ask most.

What is Schema Markup?
A schema markup generator builds structured-data JSON-LD (for articles, products, FAQs, businesses and more) that helps search engines understand your page.
Why does Schema Markup matter?
Ready-to-use structured data that can enable rich results (stars, FAQs, prices). Eligibility for rich results is Google's decision, not guaranteed.
How is Schema Markup calculated?
You fill in the fields for a schema type and it outputs valid JSON-LD you paste into your page's head.
What are common schema markup mistakes?
Marking up content that isn't visible on the page (against guidelines).
When should you use the Schema Markup Generator?
Use it to add Article, Product, FAQ, LocalBusiness or Breadcrumb schema to your pages.

What is the Schema Markup Generator?

A schema markup generator builds structured-data JSON-LD (for articles, products, FAQs, businesses and more) that helps search engines understand your page.

How the Schema Markup Generator works

You fill in the fields for a schema type and it outputs valid JSON-LD you paste into your page's head.

Common mistakes to avoid

  • Marking up content that isn't visible on the page (against guidelines).
  • Leaving required properties empty.
  • Not testing with Google's Rich Results Test after adding.

Keywords: schema, json-ld, structured, data.

Sources: Schema.org

Reviewed by the Free Tools Galaxy editorial team · Updated June 2026 · Calculated privately in your browser.

Frequently asked questions

Is the Schema Markup Generator free to use?+

Yes. Every tool on Free Tools Galaxy is 100% free, runs in your browser and requires no signup.

How accurate is the Schema Markup Generator?+

Schema Markup Generator uses the standard schema markup formula in double-precision arithmetic, so the same inputs always produce the same result and you can verify any figure by hand. It is an educational estimate — real-world outcomes depend on your actual rates, rules and assumptions.

Do you store my inputs?+

No. The Schema Markup Generator runs entirely in your browser. Nothing is uploaded or saved to a server.

Can I use the Schema Markup Generator on mobile?+

Yes — the interface is fully responsive and works on phones, tablets and desktops.

What are common mistakes to avoid?+

The most frequent mistake is mixing units. Double-check your inputs use a single, consistent unit before clicking Calculate.

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Based on this tool, your recent activity and how others chain tools together.

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Share-to-grow kit (Reddit, LinkedIn, Medium)
Reddit post
Title: I built/used this free schema markup generator — instant, no signup

Body: Generate JSON-LD schema markup for Organization, Product, Article and more. Try it: https://freetoolsgalaxy.com/tools/schema-markup-generator
LinkedIn post
Schema Markup Generator on Free Tools Galaxy — Generate JSON-LD schema markup for Organization, Product, Article and more. https://freetoolsgalaxy.com/tools/schema-markup-generator
Medium intro
# Schema Markup Generator — the free tool I keep coming back to

Generate JSON-LD schema markup for Organization, Product, Article and more.

Try it: https://freetoolsgalaxy.com/tools/schema-markup-generator
Quora answer
The fastest way is to use a free in-browser schema markup generator: https://freetoolsgalaxy.com/tools/schema-markup-generator. Generate JSON-LD schema markup for Organization, Product, Article and more.

Embed this tool anywhere

Free embed code for blogs, docs and dashboards. Every embed sends a backlink home — helping you and the galaxy grow together.

HTML iframe
Drop into any site — auto-resizes to its content height, theme-aware.
<iframe src="https://freetoolsgalaxy.com/tools/schema-markup-generator?embed=1" title="Schema Markup Generator" loading="lazy"
  style="width:100%;height:600px;border:0;border-radius:16px;background:#0b1020"
  allow="clipboard-write"></iframe>
<script>window.addEventListener("message",function(e){if(e.data&&e.data.type==="ftg-embed-height"){document.querySelectorAll("iframe").forEach(function(f){if(f.contentWindow===e.source){f.style.height=e.data.height+"px";}});}});</script>
<p><a href="https://freetoolsgalaxy.com/tools/schema-markup-generator" target="_blank" rel="noopener">Powered by Schema Markup Generator on Free Tools Galaxy</a></p>
Responsive wrapper
Aspect-locked container — good for blog post bodies.
<div style="position:relative;padding-bottom:75%;height:0;overflow:hidden;border-radius:16px">
  <iframe src="https://freetoolsgalaxy.com/tools/schema-markup-generator?embed=1" title="Schema Markup Generator" loading="lazy"
    style="position:absolute;inset:0;width:100%;height:100%;border:0" allow="clipboard-write"></iframe>
</div>
WordPress / Markdown
Paste in a custom-HTML block or markdown file.
[Schema Markup Generator — free online tool](https://freetoolsgalaxy.com/tools/schema-markup-generator)

<iframe src="https://freetoolsgalaxy.com/tools/schema-markup-generator?embed=1" width="100%" height="600" frameborder="0"></iframe>
Text link-back
Minimal credit link — best for sidebars and footers.
<a href="https://freetoolsgalaxy.com/tools/schema-markup-generator" target="_blank" rel="noopener">Try the free Schema Markup Generator</a>

Share-to-Grow Kit

Pre-written, ready-to-paste posts for every major channel. Help others discover this tool — and earn backlinks.

Title
I built a free image to pdf that works instantly in the browser — no signup, no ads in your face
Body
Hey r/[subreddit],

I kept needing a quick image to pdf and most options online were slow or behind paywalls, so I built one that:

• Runs 100% in your browser (your data never leaves your device)
• No signup, no email wall, no popups
• Loads in under a second on mobile

It covers the standard image to pdf use cases (image, pdf, convert) and links out to the formula + worked examples if you want to learn the math.

Link: https://freetoolsgalaxy.com/tools/image-to-pdf

Happy to take feedback — what's missing?
Post to a relevant subreddit (e.g. r/InternetIsBeautiful, r/webdev, r/productivity). Avoid spammy subs.
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