UD5 Toolkit
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.
Review Schema Markup Generator - Online JSON‑LD for Testimonials
Review Schema Generator
JSON-LD Output
Frequently Asked Questions
Review Schema is structured data (JSON-LD) that helps search engines understand ratings, testimonials, and review content on your webpage. It can enable rich results like star ratings in Google search snippets, increasing CTR.
It creates a Product schema that includes an
aggregateRating and multiple review items. This is ideal for product testimonials, service reviews, and any page with a collection of user ratings.Copy the generated JSON-LD and paste it into the
<head> or <body> of your HTML page. For most CMS platforms (WordPress, Shopify), you can add it via a custom HTML/header code block or a dedicated SEO plugin.Yes. Google requires that structured data accurately reflects the content visible to users. Make sure the review text, ratings, and author names in your markup match the ones displayed on the page.
Rich results are not guaranteed. Ensure your markup is valid (test with Google's Rich Results Test), the page is indexable, and the reviews are genuine. Also allow a few days after indexing.
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.
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.
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>.
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.
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.
JSON to JSON Schema Generator - Online Infer Structure
Paste a sample JSON object and generate a basic JSON Schema describing its types and required fields. Local inference.
package.json Generator - Online Interactive Creator
Fill in a form to generate a valid package.json for your Node.js project. Includes popular scripts and fields. Local only.
JSON Schema to HTML Form Generator - Online Dynamic Builder
Paste a JSON Schema and automatically render a complete, styled HTML form with validation. Perfect for prototyping APIs. Works entirely in the browser.
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.
Carabiner kN Rating Checker - Online Safety Converter
Convert carabiner strength from kN to kg/lbs and understand Major Axis vs Minor Axis markings. Quick educational reference for climbers.
N‑Triples to JSON‑LD Converter - Online RDF Translation
Paste N‑Triples data and convert it to a compact JSON‑LD representation. Work with linked open data. Local.
JSON‑LD to Turtle Converter - Online RDF Format
Convert JSON‑LD structured data into Turtle (TTL) notation. For semantic web and linked data developers. Client‑side.
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.
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.
Breadcrumb Structured Data Generator - Online JSON‑LD
Create a breadcrumb schema for your website. Fill in the pages and get the ready‑to‑paste JSON‑LD snippet for rich results.
GraphQL Schema to Markdown Docs - Online Generator
Paste a GraphQL SDL schema and get auto‑generated Markdown documentation. Perfect for API docs. All local.
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.
SQL CREATE TABLE Generator - Online Visual Schema Builder
Add columns with types and constraints, then generate a SQL CREATE TABLE statement. Supports MySQL/PostgreSQL.
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.