How to use Schema Testing Tool
- Paste the text you need to check into the input box.
- Adjust the Paste JSON-LD or a <script type=application/ld+json> block option to match what you need.
- Schema Testing Tool updates the output automatically as you type.
- Finish by choosing Copy to take the output with you.
About this tool
There is no server behind Schema Testing Tool. Schema Testing Tool 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. No data is sent anywhere, so it stays fast and private by default.
Frequently asked questions
What is Schema Testing Tool for?
Use Schema Testing Tool to check your input without installing anything using the Paste JSON-LD or a <script type=application/ld+json> block control; everything happens client-side.
Do I need an account for Schema Testing Tool?
No — Schema Testing Tool needs no account, sign-up or installation.
Is my input private in Schema Testing Tool?
Yes — your input never leaves your device; Schema Testing Tool does all the work in your browser.
Does Schema Testing Tool validate against schema.org types?
Schema Testing Tool builds and checks the structured-data markup in your browser so you can paste it straight into your page.
Can I use Schema Testing Tool without a connection?
Yes — after the first load Schema Testing Tool runs entirely offline.