JSON Schema Validator & Generator

JSON to GraphQL Schema Converter – Quick Type Defs

Paste a sample JSON response and get back a GraphQL type definition. Speeds up mocking an API layer from a REST endpoint.

API GraphQL JSON schema

FAQ Schema Markup Generator – JSON‑LD for Google

Add question‑answer pairs and instantly get the valid JSON‑LD FAQ structured data. Test it in the preview and paste into your page’s <head>.

SEO FAQ generator JSON-LD schema

GraphQL Schema to Markdown Docs - Online Generator

Paste a GraphQL SDL schema and get auto‑generated Markdown documentation. Perfect for API docs. All local.

Developer Tools docs generator GraphQL schema

Product Schema Markup Generator - Online JSON‑LD for Ecommerce

Create a Product structured data with reviews, price, and availability. Boost your ecommerce visibility in search.

Generator generator JSON‑LD product schema

Review Schema Markup Generator - Online JSON‑LD for Testimonials

Create a Review or aggregateRating structured data. Perfect for star ratings in search results. Copy the code.

Generator JSON‑LD rating review schema

SQL CREATE TABLE Generator - Online Visual Schema Builder

Add columns with types and constraints, then generate a SQL CREATE TABLE statement. Supports MySQL/PostgreSQL.

Developer Tools CREATE TABLE generator schema SQL

Article Schema Markup Generator - Online JSON‑LD for Blogs

Generate an Article or BlogPosting structured data with headline, author, and image. For rich blog results.

Generator article blog JSON‑LD schema

Local Business Schema Generator - Online JSON‑LD for SEO

Generate a LocalBusiness structured data snippet with name, address, phone, and opening hours. Boost local SEO.

Generator JSON‑LD local business schema SEO

Structured Data Testing Tool - Online Validate Rich Results

Paste your JSON‑LD or Microdata and test it against Google's Rich Results criteria. Get warnings. Local linter.

Developer Tools rich results schema structured data validate

FAQ Page Schema Generator - Online JSON-LD for Rich Results

Enter your FAQ questions and answers, and get ready‑to‑paste JSON-LD structured data. Boost search appearance.

Generator FAQ generator JSON-LD schema

Recipe Schema Generator - Online JSON-LD for Food Blogs

Build a recipe rich snippet by filling out ingredients, cook time, and nutrition. Get the valid JSON-LD code.

Generator generator JSON-LD recipe schema

Structured Data Generator - Online JSON-LD Article & Product

Create JSON-LD structured data snippets for articles, products, and events. Fill in fields and copy the code. SEO helper.

Generator generator JSON-LD schema structured data

Event Schema Markup Generator - Online JSON‑LD for Concerts

Build a complete Event structured data with performer, location, and dates. Get Google‑ready JSON‑LD for tickets.

Generator event JSON‑LD schema SEO

GraphQL Playground - Online Query & Schema Explorer

Execute GraphQL queries against any endpoint with variables and headers. Explore schema via introspection. All requests made directly from your browser.

API API GraphQL query schema

Tag: JSON Schema Validator & Generator