Online SEO Auditor & Generator

Schema Generator

Visual JSON-LD builder with structure validation and rich-result readiness checks.

100% Browser-Based — HTML and text stay on your device. Optional URL fetch runs from your browser only (CORS may block some sites).
✓ Browser Processing ✓ No Upload ✓ Privacy First ✓ Free Forever ✓ Works Offline

Tool Options

Results

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FreeConverter.app Guide

What does Schema Generator do?

Build JSON-LD schema markup visually for common types.

When should I use it?

Use when adding structured data to articles, products or FAQs.

Who is it for?

Developers, marketers, students, and anyone who needs a free browser utility.

Example input

Paste text, markup, or choose a local file (processed only in this browser tab).

Example output

Instant on-device result you can copy or download — nothing leaves your device.
Browser processing100% in-browser
PrivacyLocal Processing
UploadNot required
DifficultyEasy

How It Works

SEO auditor + generator workflows that run in your browser.

1

Paste, upload or fetch

Paste HTML/text, upload a file, or enter a URL for best-effort browser fetch.

2

Analyze & score

Validation, SEO score and fix suggestions run locally in your browser.

3

Copy or download

Export HTML, JSON, CSV, TXT or print the report instantly.

Zero server upload — generate, validate and fix suggestions stay on your device.

About Schema Generator

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.

FAQs

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.