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Schema Markup Generator (JSON-LD)
Schema markup is structured data you add to a page so search engines understand what it represents, an article, a product, a local business, a set of FAQs, rather than guessing from raw text. Google reads it as JSON-LD, and getting the syntax exactly right is what unlocks rich results such as star ratings, FAQ accordions, breadcrumb trails, and sitelinks search boxes. A single misplaced comma or wrong property name is enough to make the whole block invalid and the rich result disappear.
This generator builds correct, nested JSON-LD for the seven most common schema types as you fill the fields, omitting anything you leave blank so the output stays clean and valid. It is completely free, and every byte is assembled in the browser, so nothing you type is ever uploaded to a server.
{search_term_string} placeholder.
🔒 Private: everything runs in your browser. Nothing you paste is uploaded.
How to use the schema markup generator
Pick a type from the dropdown, fill in the fields that apply, and copy the JSON-LD straight into your page head.
Choose the schema type that matches the page, not the site
Schema describes a single page, so select the type that fits what the page actually is: Article for a blog post, Product for a shop page, FAQPage for a genuine question-and-answer section, LocalBusiness for a storefront with a physical address. Mismatched markup, such as Product schema on a category page, is the fastest route to a manual action or a silently ignored block. The generator changes the visible fields the moment you switch types, so you only ever see the properties that belong to the type you picked, which keeps the output focused and spec-accurate.
Fill only the fields you can verify, and leave the rest blank
Structured data must reflect what is visible on the page. The tool omits any field you leave empty, so a half-filled form still produces valid JSON-LD rather than properties with empty strings. Add the price and currency for a product only if that price is shown to users; add a publish date for an article only if the date is real. For FAQs and breadcrumbs, use the add and remove buttons to match the exact number of questions or trail steps on the page. Inventing values to win a rich result is precisely what triggers a structured-data penalty.
Wrap, paste, and validate before you ship
Tick the wrap toggle to surround the output in a <script type="application/ld+json"> tag, then paste that block into the <head> or anywhere in the <body> of the page. The Copy button puts the whole block on your clipboard in one click. Before relying on it, run the same URL through Google’s Rich Results Test and the Schema.org validator to confirm eligibility, because a block can be syntactically valid yet still ineligible if it contradicts the visible content or omits a property Google requires for that specific rich result.
Schema markup generator frequently asked questions
Q1What is JSON-LD and why does Google prefer it?
JSON-LD is a way to embed structured data as a self-contained JavaScript object inside a script tag, separate from the visible HTML. Google recommends it over Microdata and RDFa because it does not interleave with page markup, is easier to add and maintain, and can be injected by a tag manager. This generator outputs JSON-LD specifically, which is the format you want for almost every modern schema implementation.
Q2Does adding schema markup improve my rankings?
Schema is not a direct ranking factor, so it will not lift your position by itself. What it does is make a page eligible for rich results, such as FAQ accordions, review stars, and breadcrumb trails, which can raise click-through rate by making the listing larger and more informative. That extra visibility and engagement is the practical SEO benefit, not a ranking boost from the markup alone.
Q3Will this tool send my data to a server?
No. The generator runs entirely as client-side JavaScript in your browser. Everything you type into the fields is assembled into JSON-LD locally and never leaves the page, with no network request, logging, or storage involved. That makes it safe to use for unpublished pages, internal sites, or any content you do not want exposed, and it keeps working even if you go offline after loading.
Q4Why are empty fields left out of the output?
Structured data should only contain properties you can back up with visible page content, so the generator omits any field you leave blank instead of writing an empty value. Empty or placeholder properties can make a block invalid or, worse, look like an attempt to game rich results. By including only the fields you fill in, the output stays valid and honest, which is exactly what search engines reward and validators expect.
Q5Do I still need to validate the markup after generating it?
Yes. This tool guarantees syntactically correct JSON-LD, but eligibility for a specific rich result also depends on required properties and on the markup matching what users actually see. Always run the live URL through Google’s Rich Results Test and the Schema.org validator before relying on it. They catch missing required fields and content mismatches that a generator cannot know about, since it only sees the values you enter.
