When should I use it?
Use when adding structured data to articles, products or FAQs.
Online SEO Auditor & Generator
Visual JSON-LD builder with structure validation and rich-result readiness checks.
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FreeConverter.app Guide
Build JSON-LD schema markup visually for common types.
Use when adding structured data to articles, products or FAQs.
Developers, marketers, students, and anyone who needs a free browser utility.
Paste text, markup, or choose a local file (processed only in this browser tab).
Instant on-device result you can copy or download — nothing leaves your device.
SEO auditor + generator workflows that run in your browser.
Paste HTML/text, upload a file, or enter a URL for best-effort browser fetch.
Validation, SEO score and fix suggestions run locally in your browser.
Export HTML, JSON, CSV, TXT or print the report instantly.
Generate JSON-LD structured data for Article, Product, FAQ, Organization, Person, LocalBusiness, Review and Event with validation and pretty/compact views. Built as a mini SEO audit workflow: generate or analyze, validate, score, then copy ready-to-use code.
No. Generation is local.
No. Valid markup is required but not sufficient.
This tool focuses on JSON-LD, Google’s preferred format.
SEOs and developers adding structured data.
Test in Google’s Rich Results tools after pasting on your site.
FAQ Schema Generator for question pages.
No. SEO tools process content in your browser. FreeConverter servers never receive your page HTML or text.
Browser fetch is best-effort. Many sites block cross-origin requests (CORS). If fetch fails, paste HTML or upload a file instead.
Yes. FreeConverter.app browser SEO tools are free to use.
No. FreeConverter.app processes this tool locally in your browser. Your input is not uploaded to our servers.
No. Schema Generator on FreeConverter.app is free to use without creating an account.
Developers, marketers, students, and anyone who needs a free browser utility.