Free SEO Tools
JSON-LD Formatter
Paste JSON or JSON-LD to pretty-print, minify, and validate its syntax — entirely in your browser.
About this tool
This checks JSON syntax validity only — it does not validate against schema.org's vocabulary. For that, use the Schema Markup Checker.
Frequently Asked Questions
- Does this validate against schema.org?
- No, it checks JSON syntax validity only — use Schema Markup Checker for schema.org-aware validation.
- What's the difference from JSON Formatter?
- Same underlying functionality, framed specifically for JSON-LD/structured-data use.
- Is my data sent to a server?
- No, everything runs entirely in your browser.