UD5 Toolkit
YAML to JSON Schema Converter - Online OpenAPI Infer Structure
Paste a YAML example and generate a JSON Schema draft that matches the structure. Helps build API specs. Pure client-side inference.
Article Schema Markup Generator - Online JSON‑LD for Blogs
Article Schema Markup Generator
Generate JSON‑LD structured data for blog posts & news articles — Google‑ready
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JSON‑LD Output
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Frequently Asked Questions
What is Article Schema Markup and why do I need it?
Article Schema is a type of structured data (JSON‑LD format) that helps search engines understand your content better. It can enable rich results like headline text, larger images, author bylines, and publication dates directly in Google Search results — improving click‑through rates (CTR) by up to 15–30%. It's essential for blogs, news sites, and any content‑driven website aiming for better SERP visibility.
What's the difference between Article, BlogPosting, and NewsArticle?
Article is the generic type for any written content. BlogPosting is a subtype specifically for blog posts and works best for most blogs. NewsArticle is for time‑sensitive news content and may enable Google News inclusion and the "Top Stories" carousel. TechArticle is for technical/how‑to content. Always choose the most specific type that matches your content for optimal results.
Which fields are required for Google's Article rich results?
Google requires at minimum: headline, author (with @type Person or Organization), datePublished, image (recommended 1200×630px), and publisher (with name and preferably logo). The url and description fields are also strongly recommended. For AMP articles, publisher logo is mandatory.
How do I test my Schema markup after generating it?
Use Google's free tools: Rich Results Test (search.google.com/test/rich-results) to check eligibility for rich snippets, and the Schema Markup Validator (validator.schema.org) to validate overall Schema.org compliance. Both tools will highlight errors, warnings, and suggest improvements to your JSON‑LD markup.
Can I have multiple Schema types on the same page?
Yes! You can combine multiple JSON‑LD blocks on one page. For example, an article page can include Article + BreadcrumbList + Organization + FAQ schemas simultaneously. Just ensure each is a separate
<script type="application/ld+json"> block and that the data is consistent across all blocks.
Where do I place the JSON‑LD code on my page?
JSON‑LD structured data can be placed anywhere in the
<head> or <body> of your HTML. Google recommends placing it in the <head> section for cleaner code organization, but the <body> works equally well. Most CMS plugins (like Yoast SEO, Rank Math) insert it in the <head> automatically.
Does Article Schema help with AI Overviews and voice search?
Yes. Well‑structured schema markup helps search engines parse your content more accurately, which increases the likelihood of being featured in AI Overviews (SGE), voice search answers, and featured snippets. Articles with complete structured data are more likely to be cited as authoritative sources in AI‑generated summaries.
How often should I update the dateModified field?
Update dateModified every time you make significant changes to the article content. This signals freshness to search engines and can improve rankings for time‑sensitive queries. For minor typo fixes, updating isn't strictly necessary. Google uses dateModified alongside datePublished to assess content recency.
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.
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>.
Random Wikipedia Article Viewer - Online Learn Something Random
Fetches a random Wikipedia article summary via API. Read interesting facts. Simple knowledge discovery tool. No data collected.
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.
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.
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.
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.
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.
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.
Scroll Progress Indicator CSS Generator - Online
Create a sticky scroll progress bar for blog posts. Choose colors and height. Copy the minimal CSS and HTML.
Random Technical Title - Online Dev.to Style Headline
Generate a plausible technical blog post title. Useful for practice writing or placeholder content. 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.
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.
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.
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.
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.