Schema Markup Generator
Free JSON-LD Structured Data

What is schema markup, and why use a generator?

Schema markup is structured data — a standardised vocabulary from Schema.org that you embed in a web page to describe its content to search engines. Instead of leaving Google to infer that a block of text is a product price, a review rating, an event date, or an FAQ answer, schema markup states it explicitly in machine-readable form. Google, Bing, and increasingly AI search engines like AI Overviews, ChatGPT and Perplexity read this data to display rich results (also called rich snippets) and to understand and cite your content accurately.

The format Google recommends is JSON-LD (JavaScript Object Notation for Linked Data): a self-contained block of JSON inside a <script type="application/ld+json"> tag. Writing JSON-LD by hand is error-prone — one missing comma, a wrong property name, or an invalid enumeration value, and the markup silently fails validation. A schema markup generator removes that risk by building correct, spec-compliant JSON-LD from a simple form, so you can focus on your content instead of debugging syntax.

Which schema types matter most?

Of the hundreds of types in the Schema.org vocabulary, a handful drive the overwhelming majority of real rich-result value — and those are exactly the ones this tool covers:

• FAQPage — question-and-answer markup. Generate FAQ schema →
• Article / NewsArticle / BlogPosting — editorial content with author and publisher. Generate Article schema →
• Product — e-commerce items with price, availability and ratings. Generate Product schema →
• LocalBusiness — physical businesses with address, hours and geo. Generate LocalBusiness schema →
• BreadcrumbList — the navigation path shown in search results. Generate Breadcrumb schema →
• Organization — brand identity for the knowledge panel. Generate Organization schema →

Required vs. recommended properties

Every schema type defines required properties (without which the markup is invalid or ineligible for a rich result) and recommended properties (which add detail and improve presentation). For example, a Product needs at minimum a name and an Offer with price and priceCurrency, while availability, brand and aggregateRating are recommended enhancements. This generator marks required fields with an asterisk and validates them live, so you always know whether your markup is complete before you publish.

The golden rule: markup must match visible content

Across every type, Google enforces one consistent principle — the structured data must accurately describe content that is actually visible to users on the page. Marking up information that does not appear, inflating ratings, fabricating reviews, or duplicating the same FAQ across many URLs all violate Google’s structured-data guidelines and can trigger a manual action. The safest approach is simple: only mark up what is genuinely on the page, keep prices and dates in sync with what users see, and use only authentic first-party reviews.

Validate before you ship

After generating your JSON-LD, paste it into your page and test it two ways: Google’s Rich Results Test confirms eligibility for specific rich results on a live URL, and the Schema Markup Validator checks raw syntax against the Schema.org vocabulary. Both are one click away from every generator on this site. Because this tool runs entirely in your browser, none of the data you enter is ever uploaded — you can safely prepare markup for unpublished or confidential pages.