Keyword Density
Analyze keyword usage.
OpenGenerate structured data. - runs entirely in your browser. Free, fast and private.
Choose Article, Product, FAQ, LocalBusiness, or other types.
Enter required properties like name, date, or offers.
Valid schema.org JSON-LD script is generated automatically.
Copy the script tag into your HTML for rich results.
Search docs ask for JSON-LD and you would rather not hand-type @context braces. Schema Generator builds structured data snippets (Organization, Article, FAQ-style shapes, and similar) you can paste into a page head or CMS field.
Use structured data when the visible page already contains the same facts. Markup that invents ratings, FAQs, or products not shown on the page risks manual actions. Validate with Google Rich Results Test after publish.
Pitfall: duplicating conflicting JSON-LD blocks from a theme and a plugin. Prefer one clear graph per page.
For API request/response schemas rather than SEO JSON-LD, JSON Schema Generator on the API toolkit is the better fit.
Fields you type are turned into JSON in the page. We do not submit your markup to a rich-results API from this tool.
Related: JSON Schema Generator
Processes data instantly with no server round-trips.
Your data never leaves your browser. Nothing is uploaded.
Works in any modern browser. Nothing to download or install.
No limits, no sign-up, no credit card required.
Works on desktop, tablet and mobile devices.
Beautiful in both themes. Your preference is saved.
Keyboard shortcut
Generate a starting schema graph for a new template.
Fill Organization or Article properties consistently.
Prepare markup you will validate after deploy.
Answers for this tool. For site-wide help, open the FAQ hub.
Schema Generator generate structured data. Results are generated locally so drafts stay private.
No tool can guarantee rankings. Use outputs as checklists alongside Search Console and quality content.
Most OneDevToolkit SEO helpers analyse text you paste and do not require API keys. Live SERP scraping is not performed in your browser session.
Yes - copy HTML snippets into your site templates or CMS fields after review.
Always tailor titles and descriptions to the real page intent. Generators accelerate drafts; humans approve final copy.
Paste content in the target language. Character counts still apply for SERP display limits.
Validate JSON-LD with Google’s rich results tools after exporting from generators on OneDevToolkit.
Pasted drafts stay in your browser for client-side analysers. Do not paste unpublished legal text if policy forbids any web tool.
Pair Schema Generator with siblings in SEO Toolkit for previews, sitemaps, and robots checks.