How to use Structured Data Validator
- Paste the text you need to validate into the input box.
- Tune the Paste JSON-LD or a <script type=application/ld+json> block control before you validate.
- Structured Data Validator updates the output automatically as you type.
- Finish by choosing Copy to take the output with you.
About this tool
Structured Data Validator runs entirely in your browser. Structured Data Validator builds structured-data markup in your browser from the fields you fill in.
The output follows schema.org shapes so search engines can read it. Your input never leaves the page, and no account or install is required.
Frequently asked questions
What is Structured Data Validator for?
Use Structured Data Validator to validate your input without installing anything using the Paste JSON-LD or a <script type=application/ld+json> block control; everything happens client-side.
Is Structured Data Validator free to use?
Yes — Structured Data Validator is completely free, with no usage limits.
Where is my data processed by Structured Data Validator?
Entirely in your browser — Structured Data Validator keeps your data on your own machine and sends nothing anywhere.
Does Structured Data Validator validate against schema.org types?
Structured Data Validator builds and checks the structured-data markup in your browser so you can paste it straight into your page.
Can I use Structured Data Validator without a connection?
Yes — after the first load Structured Data Validator runs entirely offline.