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Schema markup checker

Local pre-check — no data leaves your browser, and we don't call Google (there's no public rich-results API). Paste JSON-LD or full page HTML and get syntax, vocabulary and required-field validation instantly.

Input

Routes through the ThrillSEO proxy (SSRF-hardened, same-origin). Falls back to paste mode if unreachable.
Local check result
—
Errors
0
Fix these first
Warnings
0
Improvable
Info
0
Notes
Blocks checked
0
JSON-LD blocks
Confirm syntax on validator.schema.org ↗ Confirm eligibility with Google's Rich Results Test ↗
Findings, per block

This is a local pre-check against a bundled table of ~30 Google-relevant schema.org types — it never calls Google (no public rich-results API exists) and never claims Google eligibility as fact. Best case is "no errors found — passes local checks." Confirm with the official tools linked above. Tool provided free by ThrillSEO.