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Schema Generator — Create JSON-LD Structured Data for Google Rich Results

Learn how schema markup works, which schema types (Article, FAQ, HowTo, WebApplication, BreadcrumbList) enable rich results in Google, and how to generate correct JSON-LD structured data with a free tool.

By sadiqbd · June 6, 2026

Schema Generator — Create JSON-LD Structured Data for Google Rich Results

Schema markup is how you tell search engines exactly what your content means

HTML tells search engines what your content looks like. Schema markup tells them what it is. Without schema, a search engine crawling a recipe page sees headings, paragraphs, and a list — it can infer it's a recipe, but it can't be certain. With schema, it knows definitively: this is a recipe, here are the ingredients, here's the cook time, here are the nutrition facts, here's the author's rating. That certainty enables rich results.

A schema generator builds the correct JSON-LD markup for any schema type — ready to paste into your page without writing a single line of code.

What Schema Markup Is

Schema markup is structured data — machine-readable metadata embedded in your page's HTML that defines the entities, properties, and relationships in your content. It's based on vocabulary from Schema.org, a collaborative project by Google, Bing, Yahoo, and Yandex.

The recommended format is JSON-LD (JavaScript Object Notation for Linked Data) — a script block in your page's <head> or <body> that doesn't affect the visible content:

<script type="application/ld+json">
{
  "@context": "https://schema.org",
  "@type": "Article",
  "headline": "How to Calculate EMI",
  "author": {
    "@type": "Person",
    "name": "Sadiqur Rahman"
  },
  "datePublished": "2024-06-10",
  "publisher": {
    "@type": "Organization",
    "name": "sadiqbd.com"
  }
}
</script>

This markup tells search engines: this page contains an Article, authored by Sadiqur Rahman, published on June 10, 2024, by sadiqbd.com — with certainty.

Why Schema Markup Matters

Rich results in search. Schema enables enhanced SERP displays: star ratings, FAQ boxes, recipe cards, how-to steps, event dates, product prices, and more. Rich results typically have higher click-through rates than standard snippets.

Knowledge Graph integration. Well-marked-up entities (organisations, people, products) can appear in Google's Knowledge Graph — the information panels that appear for brand and entity searches.

Voice search. Voice assistants rely heavily on structured data to answer questions directly. Well-marked-up FAQs and how-to content is more likely to be surfaced as voice responses.

E-E-A-T signals. Author and organisation schema contributes to demonstrating expertise and authority — factors Google considers in assessing content quality.

Schema Types and When to Use Each

Article / BlogPosting / NewsArticle

For written content: blog posts, guides, news articles.

{
  "@type": "Article",
  "headline": "Complete Guide to Compound Interest",
  "author": { "@type": "Person", "name": "Sadiqur Rahman" },
  "datePublished": "2024-06-10",
  "dateModified": "2024-06-15",
  "publisher": {
    "@type": "Organization",
    "name": "sadiqbd.com",
    "logo": { "@type": "ImageObject", "url": "https://sadiqbd.com/logo.png" }
  }
}

FAQPage

For pages with question-and-answer sections. Each FAQ block can appear as an expandable snippet directly in the SERP.

{
  "@type": "FAQPage",
  "mainEntity": [
    {
      "@type": "Question",
      "name": "What is EMI?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "EMI (Equated Monthly Installment) is the fixed monthly payment..."
      }
    }
  ]
}

HowTo

For step-by-step instructional content. Steps can appear directly in search results with images.

{
  "@type": "HowTo",
  "name": "How to Use the EMI Calculator",
  "step": [
    { "@type": "HowToStep", "name": "Enter loan amount", "text": "..." },
    { "@type": "HowToStep", "name": "Set interest rate", "text": "..." }
  ]
}

WebSite (with SearchAction)

For your homepage — enables sitelinks search box in Google results.

{
  "@type": "WebSite",
  "name": "sadiqbd.com",
  "url": "https://sadiqbd.com",
  "potentialAction": {
    "@type": "SearchAction",
    "target": "https://sadiqbd.com/search?q={search_term_string}",
    "query-input": "required name=search_term_string"
  }
}

SoftwareApplication / WebApplication

For online tools and apps — enables application-specific rich results.

{
  "@type": "WebApplication",
  "name": "EMI Calculator",
  "applicationCategory": "FinanceApplication",
  "operatingSystem": "All",
  "offers": {
    "@type": "Offer",
    "price": "0",
    "priceCurrency": "USD"
  }
}

BreadcrumbList

Enables breadcrumb trail display in SERP snippets.

{
  "@type": "BreadcrumbList",
  "itemListElement": [
    { "@type": "ListItem", "position": 1, "name": "Home", "item": "https://sadiqbd.com" },
    { "@type": "ListItem", "position": 2, "name": "Calculators", "item": "https://sadiqbd.com/calculators" },
    { "@type": "ListItem", "position": 3, "name": "EMI Calculator" }
  ]
}

LocalBusiness

For businesses with a physical location — enables local pack appearance and enhanced Knowledge Panel.

Product

For e-commerce product pages — enables price, availability, and review stars in results.

How to Use the Schema Generator on sadiqbd.com

  1. Select the schema type — Article, FAQ, HowTo, WebSite, Product, etc.
  2. Fill in the required fields — the generator shows which properties are required and which are recommended for each type
  3. Generate — the tool produces correctly formatted JSON-LD markup
  4. Validate — paste the output into Google's Rich Results Test before deploying
  5. Add to your page — paste the <script type="application/ld+json"> block into the <head> or before the closing </body> tag

Validating Schema Markup

Before deploying, always validate:

Google Rich Results Test (search.google.com/test/rich-results): Shows whether your markup is valid and eligible for rich results. Highlights errors and warnings.

Schema.org Validator (validator.schema.org): More comprehensive validation against the full Schema.org vocabulary.

Google Search Console: After deployment, the "Enhancements" section shows detected structured data, errors, and rich result eligibility across your entire site.

Real-World Examples

sadiqbd.com tool pages

Each calculator and converter page benefits from WebApplication schema:

{
  "@context": "https://schema.org",
  "@type": "WebApplication",
  "name": "EMI Calculator",
  "url": "https://sadiqbd.com/calculators/emi",
  "description": "Free online EMI calculator to compute monthly loan installments.",
  "applicationCategory": "FinanceApplication",
  "offers": { "@type": "Offer", "price": "0" }
}

Blog post with FAQ section

A blog post answering common questions about compound interest adds FAQPage schema for the FAQ section, enabling expandable Q&A directly in search results.

Multiple schemas on one page

A page can include multiple schema types simultaneously. A blog post might have:

  • Article — for the post itself
  • BreadcrumbList — for SERP breadcrumb display
  • FAQPage — for the FAQ section at the bottom

All in separate <script> blocks or combined as an array.

Common Schema Mistakes

Marking up content not visible on the page. Google requires schema to correspond to visible page content. Marking up a review rating that doesn't appear visibly on the page is a spam policy violation.

Using deprecated schema types. Schema.org vocabulary evolves — some types and properties have been replaced. The generator uses current vocabulary.

Missing required properties. Each schema type has required fields. Missing them doesn't make the markup invalid, but prevents eligibility for certain rich results.

Invalid JSON syntax. A stray comma or unclosed bracket breaks the entire block. The generator produces syntactically valid JSON; the Rich Results Test confirms it.

Frequently Asked Questions

Does schema markup directly improve rankings? Not as a direct ranking signal. But it enables rich results, which increase CTR; and it helps search engines understand content precisely, potentially improving relevance signals. The indirect benefits are real.

How quickly do rich results appear after adding schema? Google needs to crawl and process the markup first. For frequently crawled pages, rich results can appear within days. For less-crawled pages, weeks. Submit updated pages for recrawl in Search Console to speed this up.

Can I add multiple schema types to one page? Yes — multiple <script type="application/ld+json"> blocks can coexist on one page, or an array of schema objects can be included in a single block.

What happens if my schema has errors? Errors prevent specific rich result eligibility but don't cause ranking penalties. Warnings are informational. Fix errors for the best chance of rich result display.

Is the schema generator free? Yes — completely free, no sign-up required.

Schema markup is one of the more technical SEO investments, but the generator makes it accessible without coding knowledge. The resulting structured data helps search engines understand your content precisely — and opens the door to rich results that command attention in the SERP.

Try the Schema Generator free at sadiqbd.com — generate correct JSON-LD markup for any schema type instantly.

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