How to use Schema Validator
- Type or paste your text into Schema Validator's input area.
- Use the Paste JSON-LD or a <script type=application/ld+json> block setting to control the result.
- The result is computed live in your browser as you edit the input.
- Use Copy to keep or reuse the result.
About this tool
Schema Validator runs entirely in your browser. Schema Validator assembles valid JSON-LD locally so you can paste it into your page.
Everything is generated on your device with nothing uploaded. Nothing you enter is uploaded, and it keeps working offline once the page has loaded.
Frequently asked questions
How do I use Schema Validator?
Use Schema 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.
Do I need an account for Schema Validator?
No — Schema Validator needs no account, sign-up or installation.
Is my input private in Schema Validator?
Yes — your input never leaves your device; Schema Validator does all the work in your browser.
Does Schema Validator validate against schema.org types?
Schema Validator builds and checks the structured-data markup in your browser so you can paste it straight into your page.
Can I use Schema Validator without a connection?
Yes — after the first load Schema Validator runs entirely offline.