What is Schema?
Schema is structured data vocabulary that describes page content in a machine-readable format. JSON-LD is the most common implementation for modern SEO.
Selnox SEO Tools
Schema Validator & Generator
Inspect JSON-LD schema, validate required fields, audit AI SEO entity signals, and generate production-ready structured data.
Free schema auditJSON-LD generatorAI SEO signals
Validate any public page schema
Run a schema audit to detect JSON-LD types, missing properties, duplicate schemas, AI SEO gaps, and production fixes.
Schema Generator
Choose a schema type, edit the fields, then copy or download production-ready JSON-LD.
{
"@context": "https://schema.org",
"@type": "Organization",
"name": "Example Brand",
"url": "https://example.com/",
"logo": "https://example.com/logo.png",
"sameAs": [
"https://www.linkedin.com/company/example"
]
}Schema Support
Book Free ConsultationNeed help implementing schema?
Selnox Infotech can implement schema, fix validation errors, improve entity signals, and strengthen AI search readiness.
Why Schema Matters
Schema helps search engines interpret organizations, services, authors, products, reviews, FAQs, breadcrumbs, and local business data more confidently.
Structured Data for Google
Clean structured data can improve eligibility for rich results and reduce ambiguity around the page topic, publisher, product, or local business.
AI Search and Schema
AI answer systems benefit from clear entities, sameAs links, contact details, service coverage, and knowledge graph-ready organization data.
Common Schema Errors
Frequent issues include invalid JSON, missing required fields, weak @id values, missing authors, missing publisher logos, and incomplete FAQ answers.
How to Fix Schema
Start with valid JSON-LD, use absolute URLs, add required properties, connect organization entities with sameAs, and keep schema aligned with visible page content.
Schema Validator & Generator FAQs
What is schema markup?
Schema markup is structured data that helps search engines understand entities, pages, products, services, articles, FAQs, and local business information.
What does this schema validator check?
It checks JSON-LD blocks, schema types, missing required and recommended fields, duplicate schemas, URL quality, and AI SEO readiness signals.
Does this tool execute JavaScript?
No. The validator fetches raw HTML server-side and extracts embedded JSON-LD without browser rendering or script execution.
Can it validate FAQ schema?
Yes. It detects FAQPage schema and checks whether each question has an accepted answer.
Can it validate local business schema?
Yes. It reviews LocalBusiness and related types such as Attorney, MedicalBusiness, Dentist, Physician, and Restaurant.
Does it check image and logo URLs?
Yes. Important image, logo, and sameAs URLs are checked with a safe server-side request limit.
Can I generate schema?
Yes. Use the generator to create Organization, LocalBusiness, Article, FAQ, Service, Product, Attorney, MedicalBusiness, SoftwareApplication, Restaurant, Recipe, and HowTo JSON-LD.
Can I export the report?
Yes. Export JSON, CSV, TXT, or use the printable report option.
Is schema important for AI search?
Yes. Schema can strengthen entity clarity, knowledge graph signals, brand consistency, and content eligibility for search and AI systems.
Is this tool free?
Yes. Schema Validator & Generator is a free SEO tool by Selnox Infotech.