Generate JSON-LD structured data for Google rich results — 12 schema types
{
"@context": "https://schema.org",
"@type": "Article",
"headline": "",
"author": {
"@type": "Person",
"name": ""
},
"datePublished": ""
}How to Add to Your Website
Option 1: Copy the JSON-LD and wrap it in a <script type="application/ld+json"> tag in your HTML <head>.
Option 2: Click the <script> button to copy the complete script tag ready to paste.
Validate: Test your markup with Google Rich Results Test.
To generate schema: select a schema type (Article, Product, FAQ, HowTo, LocalBusiness) and fill in the fields — the tool outputs valid JSON-LD markup for Google rich results.
FreeToolHub AI Schema Generator is a free browser-based tool that generates JSON-LD structured data for SEO, no signup.
Generated JSON-LD follows Schema.org vocabulary and Google Search structured data guidelines. Schema.org evolves — check schema.org for the latest type definitions. Google may not display rich results for all schema types or all pages. Validate your markup with the Rich Results Test before deploying.
About this tool
Generate JSON-LD schema markup for 12 types to boost Google rich results. Free, no signup.
What Is the Schema Markup?
The Schema Markup is a free browser-based AI tool that performs schema generator tasks entirely on your device using in-browser machine learning models. Unlike cloud-based AI services that send your data to remote servers for processing, this tool downloads the model once and then runs completely offline — your text, images, or documents never leave your browser. The AI engine uses optimized WebAssembly and WebGL for near-native inference speed. It supports JSON-LD generator capabilities and handles multi-language input. No API key, no account, no subscription — the tool is completely free with no usage limits.
Who Should Use This Tool?
Content creators use this tool for schema generator tasks without worrying about their drafts being stored on third-party servers. Professionals in regulated industries (legal, healthcare, finance) use it to process sensitive JSON-LD generator data while maintaining client confidentiality. Students use it as a free alternative to paid AI services for learning and research. Developers integrate structured data capabilities into their workflows without API costs. Privacy-conscious users prefer it over cloud alternatives because there is no telemetry, no logging, and no data retention. The tool is especially valuable in regions with limited internet connectivity after the initial model download.
How to Use the Schema Markup
The first time you use the tool, it downloads the AI model (typically 20-80MB depending on capability). After that, it works fully offline. For schema generator tasks, enter or paste your input text into the editor. Select your desired options — tone, style, language, or output format. Click the generate button and the AI processes locally, typically returning results in 2-10 seconds depending on input length and model size. Results appear in the output panel where you can edit, copy, or download them. Your input and output are never transmitted or stored on any server.
Frequently asked
Which schema.org types does it generate JSON-LD for?
It supports 12 types: Article, FAQPage, HowTo, Product, LocalBusiness, Organization, Event, Recipe, BreadcrumbList, VideoObject, SoftwareApplication, and Person. Each generates valid JSON-LD matching Google's structured data requirements. FAQPage schema alone can increase click-through rates by 20-30% by earning rich result snippets in SERPs.
How do I validate the generated schema markup?
The output conforms to schema.org vocabulary and Google's structured data guidelines. Paste it into Google's Rich Results Test or the Schema Markup Validator to confirm zero errors. Place the JSON-LD in a <script type="application/ld+json"> tag in your page <head>. Google typically indexes new structured data within 2-7 days.
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