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JSON-LD Generator

jsonld.com

Free plan Web
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Spec score 7.8 #7 of 24 in Schema Markup Tools

What it is

JSON-LD Generator is a free web tool that creates structured data markup from fields users fill in, with generated JSON-LD shown in real time. It covers 17 schema types, including Article, Breadcrumb, Course, Event, FAQ, HowTo, Local Business, Organization, Product, Recipe, Review, Video, WebSite and WebPage. Product fields include offers, ratings and reviews; Local Business offers more than 100 subtypes, with examples such as Restaurant, Hotel and Dentist. The tool displays live checks for required fields and produces JSON using JSON.stringify, which the site describes as strictly valid JSON. Users can copy the generated code and open Google’s Rich Results Test, or follow a shortcut to the schema.org Validator. The form state is preserved between visits. A companion address-to-latitude-and-longitude tool is available for Local Business or Organization data. The generator runs on the web and requires JavaScript. Its creator, Patrick Coombe, says the site launched in 2017 as a reference for web developers and SEO practitioners learning about JSON-LD.

Spec sheet

Purpose
The generator creates JSON-LD structured data for websites by letting users fill in fields and view the generated markup in real time.Read 4 Oct 2026 · jsonld.com
Audience
The maker describes the site as a reference for web developers and SEOs and says it created the site to help SEO practitioners learn about JSON-LD.Read 4 Oct 2026 · jsonld.com
Support
The contact page invites questions and says the maker will do their best to respond.Read 4 Oct 2026 · jsonld.com
Founded
2017Read 28 Sep 2026 · jsonld.com
Maker
The About page names Patrick Coombe as the creator and says the site launched in 2017.Read 4 Oct 2026 · jsonld.com
Browser requirement
JavaScript is required to use the generator.Read 4 Oct 2026 · jsonld.com
Companion tool
The site links to a companion address-to-latitude-and-longitude tool for Local Business or Organization data.Read 4 Oct 2026 · jsonld.com
Copy and test
Users can copy the generated code or open Google's Rich Results Test, where the copied code can be pasted for validation.Read 4 Oct 2026 · jsonld.com
Local business types
The Local Business option includes more than 100 subtypes, with examples such as Restaurant, Hotel, and Dentist.Read 4 Oct 2026 · jsonld.com
Output
The generator emits JSON using JSON.stringify and describes the output as strictly valid JSON.Read 4 Oct 2026 · jsonld.com
Product fields
The Product schema option supports offers, ratings, and reviews.Read 4 Oct 2026 · jsonld.com
Saved form state
The page says form state is preserved between visits.Read 4 Oct 2026 · jsonld.com
Schema coverage
It supports 17 schema types, including Article, Breadcrumb, Book, Course, Event, FAQ, HowTo, Job Posting, Local Business, Organization, Person, Product, Recipe, Review, Video, WebSite, and WebPage.Read 4 Oct 2026 · jsonld.com
Validation
It shows live validation of required fields and provides shortcuts to Google's Rich Results Test and the schema.org Validator.Read 4 Oct 2026 · jsonld.com

Plans and prices

JSON-LD Generator Free 17 schema types · no signup stated Read 4 Oct 2026 · jsonld.com

Every JSON-LD Generator plan and price →

Strong points and limits

Strong points

  • Free, with 17 schema types
  • Live checks for required fields
  • Product fields cover offers, ratings and reviews
  • Form state is preserved between visits

Limits

  • JavaScript is required
  • No rich-result preview is listed
  • No API access or bulk generation is listed

Who it suits

It suits web developers and SEO practitioners who want to create JSON-LD from form fields and check required inputs. Users need JavaScript enabled and can validate copied markup with the linked tools.

Verdict

JSON-LD Generator offers form-based markup creation and live required-field checks. It can open external validation tools, but does not provide a rich-result preview.

Where Specifiction places it

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