Free JSON-LD Schema Generator
One of the free tools from KinetixSEO, an SEO and AI-citation (GEO) checker. Reads any page's title, meta description, URL path and headings, and generates ready-to-paste WebPage, BreadcrumbList and FAQPage JSON-LD structured data — no manual markup required. Structured data gives search engines and AI answer engines an unambiguous, machine-readable summary of what a page is and how it's organized, which is different from — and complementary to — writing good title tags and headings for human readers.
What you'll get
WebPage
{
"@context": "https://schema.org",
"@type": "WebPage",
"name": "Best Running Shoes for Flat Feet (2026 Guide)",
"description": "A comparison of the 8 best running shoes for flat feet, tested for stability and arch support.",
"url": "https://example.com/guides/running-shoes-flat-feet"
}BreadcrumbList
{
"@context": "https://schema.org",
"@type": "BreadcrumbList",
"itemListElement": [
{
"@type": "ListItem",
"position": 1,
"name": "Home",
"item": "https://example.com/"
},
{
"@type": "ListItem",
"position": 2,
"name": "Guides",
"item": "https://example.com/guides"
},
{
"@type": "ListItem",
"position": 3,
"name": "Best Running Shoes for Flat Feet",
"item": "https://example.com/guides/running-shoes-flat-feet"
}
]
}FAQPage
{
"@context": "https://schema.org",
"@type": "FAQPage",
"mainEntity": [
{
"@type": "Question",
"name": "Do flat feet need extra arch support in running shoes?",
"acceptedAnswer": {
"@type": "Answer",
"text": "Most runners with flat feet benefit from stability or motion-control shoes with structured arch support, though the right fit depends on how much the arch collapses under load."
}
}
]
}What the Free JSON-LD Schema Generator checks
- Builds a WebPage schema block from the page's own title, description and URL
- Builds a BreadcrumbList block from the page's URL path segments
- Builds a FAQPage block when the page contains question-style headings with answers underneath
- Output is copy-paste-ready JSON-LD, validated against schema.org's required properties before it's shown
Frequently asked questions
Which schema types does this generator create?
This tool builds three block types from what's actually on the page it reads: a WebPage block from the title, meta description and URL, a BreadcrumbList block from the URL's own path segments, and a FAQPage block — but only when the page contains question-style headings with a direct answer underneath them. It doesn't generate Product, Review, Article, Recipe, or other schema.org types, since those require structured data the tool can't reliably infer from a generic page fetch (price, rating, ingredients, and so on). If you need one of those types, they need to be authored by hand or generated from your CMS's own product/content data.
Why didn't it generate a FAQPage block for my page?
The FAQPage block only gets built when the page has headings phrased as questions with a clear answer directly beneath them — the same shape schema.org's own FAQPage spec expects. A page with no question-style headings, or with headings that aren't followed by a direct answer, won't produce a FAQPage block, and this tool won't invent question-and-answer content that isn't actually on the page. Add real, visible Q&A content to the page first — an FAQ section, or a set of "How does X work?" headings answered directly underneath — then re-run the check.
Is the generated JSON-LD safe to paste directly into my page?
The output is validated against schema.org's required properties for each type before it's shown, and the copy button gives you a complete <script type="application/ld+json"> tag ready to paste into your page's <head>. That said, this tool builds schema from what it can read off the page right now — it can't know about attributes that only exist in your CMS (like an author's structured profile, or a product's real-time price), so treat the output as a solid, valid starting point rather than a final, hand-tuned block for every field you might want to add.
Does this fix broken schema already on my page?
No — this tool generates new WebPage, BreadcrumbList and FAQPage blocks from scratch; it doesn't read, diagnose, or repair schema that's already on the page. If you already have JSON-LD on the page and want to know whether it's valid, complete, or contains deprecated types, use the Structured Data Validator instead — it checks existing markup rather than generating new markup.
Will adding this schema improve my rankings?
Structured data on its own is not a direct ranking factor — Google has said this consistently. What it does is make your page eligible for certain rich results (breadcrumb trails in the SERP, FAQ rich snippets where still shown) and gives AI answer engines a clean, unambiguous summary of the page's identity and content to draw from when deciding whether to cite it. The realistic benefit is better eligibility for enhanced search appearance and easier machine parsing, not a guaranteed ranking boost.
Related reading
Go deeper
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