How to use Schema Test
- Start by adding the text you want to check into Schema Test.
- The result is computed live in your browser as you edit the input.
- Use Copy to keep or reuse the result.
About this tool
Everything Schema Test does happens on your own device. Schema Test 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. It behaves the same on desktop and mobile, with nothing stored remotely.
Frequently asked questions
How do I use Schema Test?
Use Schema Test to check your input without installing anything; everything happens client-side.
Is Schema Test free to use?
Yes — Schema Test is completely free, with no usage limits.
Where is my data processed by Schema Test?
Entirely in your browser — Schema Test keeps your data on your own machine and sends nothing anywhere.
Does Schema Test validate against schema.org types?
Schema Test builds and checks the structured-data markup in your browser so you can paste it straight into your page.
Does Schema Test work offline?
Once the page has loaded, Schema Test keeps working with no network connection.