Free SEO Schema Markup Generator & Validator.
Generate, validate, and improve Schema.org JSON-LD markup for your website with a free browser-based tool.
10+ Schema Types
Support for Article, FAQ, Product, LocalBusiness, Organization, and more.
Real-time Validation
Catch errors and warnings before you publish to Google.
100% Client-Side
Your data never leaves your browser.
Local Auto-save
Never lose your progress with local draft persistence.
Why Use Our Free SEO Schema Markup Generator?
Writing JSON-LD by hand is prone to syntax errors and missing properties. Our tool builds structurally sound, semantically correct markup while ensuring you meet Schema.org guidelines without needing to code.
- 01
Avoid syntax errors
The visual builder prevents trailing commas and missing quotes.
- 02
Catch SEO issues early
The built-in validator highlights missing required properties before testing in Google.
- 03
No manual coding required
Simply fill out the form, and the JSON-LD is generated automatically.
- 04
Data loss protection
Your progress is automatically saved to your browser so you can resume later.
Generate and Validate with Confidence
We combined generation and validation into one seamless workflow.
Live Preview
See the JSON-LD code update instantly as you type.
Smart Validator
Paste existing schema to detect syntax errors and missing properties.
Schema Graph Support
Build multiple related schemas in a single structured @graph.
1-Click Copy & Download
Export your finished schema directly to your clipboard or as a file.
How to Generate SEO Schema Markup
Creating valid structured data is quick and simple.
Select a Schema Type
Choose the schema that best matches your page content (e.g., Article, FAQ, Product).
Fill out the properties
Enter your data into the generated form fields. Required fields are marked.
Check Schema Health
Review any warnings or suggestions in the Schema Health panel to improve your markup.
Copy or Download
Copy the final JSON-LD snippet and place it in the <head> or <body> of your page.
Browser-based processing
All schema generation and validation happens locally in your browser. No data is sent to our servers.
Frequently Asked Questions.
Everything you need to know about our Free SEO Schema Markup Generator.
Schema markup (or structured data) is a standardized format for providing information about a page and classifying the page content, helping search engines understand it better.
No. Adding valid schema markup makes your page eligible for rich results, but Google ultimately decides whether to display them based on many factors including content quality and relevance.
Yes. Switch to the 'Validate' tab and paste your JSON-LD code to check for syntax errors and missing properties.
Yes. The tool runs entirely in your browser. We do not send your pasted code or entered data to any server.
Still have questions?
Can't find the answer you're looking for? Our team is happy to help.
Contact Support