Structured-data builder and JSON-LD linter
Build supported schema types and separate syntax, documented requirements and editorial checks.
Runs entirely in this browser.
Valid markup cannot guarantee truth, indexing or rich-result eligibility.
Method
Build supported schema types and separate syntax, documented requirements and editorial checks.
Privacy
Runs entirely in this browser.
Limitations
Valid markup cannot guarantee truth, indexing or rich-result eligibility.
Primary sources
- Understand how structured data works — Google Search Central; current 2026-08-14; 2026-08-14.
- JSON-LD — Next.js; 2026-03-02; 2026-08-14.