Schema & Rich Snippets

Rich Snippets Testing Tool

Rich Snippets Testing Tool validates pasted JSON-LD or HTML in your browser, checking types and required fields and flagging errors.

Client-sideRuns entirely in your browser — your data never leaves your device.

Rich Snippets Testing Tool is a free Schema & Rich Snippets utility that runs entirely in your browser — nothing you enter is uploaded.

Paste JSON-LD or HTML
Validation report

How to use Rich Snippets Testing Tool

  1. Paste the text you need to check into the input box.
  2. Rich Snippets Testing Tool updates the output automatically as you type.
  3. When it looks right, Copy to save it.

About this tool

Rich Snippets Testing Tool is a static, client-side tool with no backend. Rich Snippets 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. Nothing you enter is uploaded, and it keeps working offline once the page has loaded.

Frequently asked questions

What does Rich Snippets Testing Tool do?

Use Rich Snippets Testing Tool to check your input without installing anything; everything happens client-side.

Do I need an account for Rich Snippets Testing Tool?

No — Rich Snippets Testing Tool needs no account, sign-up or installation.

Does Rich Snippets Testing Tool upload my data?

No — Rich Snippets Testing Tool processes everything locally in your browser, so nothing you enter is uploaded or stored.

Does Rich Snippets Testing Tool validate against schema.org types?

Rich Snippets Testing Tool builds and checks the structured-data markup in your browser so you can paste it straight into your page.

Can I use Rich Snippets Testing Tool without a connection?

Yes — after the first load Rich Snippets Testing Tool runs entirely offline.

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