It suits site owners who need JSON-LD for supported page types, either as a one-time snapshot or through scheduled regeneration.
Free plan Free trial From €79 a month WebAPISelf-hosted
Best Schema Markup Tools 2026
Facts read 29 Sep 2026 – 15 Oct 2026
Structured data work can involve choosing schema types, generating markup and checking what a site publishes. Compare supported schema types, schema validation and rich-result preview, then consider bulk generation and markup monitoring for ongoing work. API access and WordPress support can help frame how an option fits a workflow. Free-plan availability and paid starting prices provide cost context. JSON Schema App SaaS Schema, Baseline Labs Schema Generator and Rolling Schema are among the entries to compare, alongside Schema App. Use the listed criteria to weigh how each tool addresses creating, validating and maintaining markup for your needs.
The standings: top 10
| Name | In a line | Record score | Price from | Try it free | Runs on | Facts read |
|---|---|---|---|---|---|---|
| 01 Baseline Labs Schema Generator | It suits site owners who need JSON-LD for supported page types, either as a one-time snapshot or through scheduled regeneration. | 5.5 | €79 a month | Free plan | Web, API, Self-hosted | 14 Oct 2026 |
| 02 VitalSentinel Schema Validator | It suits website owners, developers, SEO professionals, and agencies checking JSON-LD markup on a page. | 5.5 | $39 a month | Free plan | Web, API | 7 Oct 2026 |
| 03 Rolling Schema | Rolling Schema is aimed at local and service businesses, publishers, small e-commerce sites, and agencies managing client domains. | 5.3 | €79 a month | Free plan | Web, API | 30 Sep 2026 |
| 04 Schema & Structured Data for WP & AMP | 5.0 | $99 a year | Free plan | Web, Self-hosted | 4 Oct 2026 | |
| 05 Schema | 4.9 | $79.20 a year | Free plan | Self-hosted | 9 Oct 2026 | |
| 06 JSON Schema App SaaS Schema | It suits SaaS website owners who want to manage structured data without coding. | 4.8 | $14 a month, billed yearly | Free plan | Web | 29 Sep 2026 |
| 07 Schema.dev | Schema.dev may suit people building structured data for webpages who want a guided builder and validation options. | 4.6 | Free plan | Free plan | Web, Browser extension, API | 7 Oct 2026 |
| 08 BlueGrid Schema Validator | BlueGrid Schema Validator suits site owners and developers creating or checking JSON-LD in a browser. | 4.5 | Free plan | Free plan | Web | 15 Oct 2026 |
| 09 EasySchema | EasySchema suits website owners and businesses working on structured data and search visibility. | 4.5 | Free plan | Free plan | Web | 8 Oct 2026 |
| 10 WooCommerce Rich Snippets & Schema Markup | It suits WordPress and WooCommerce site owners who want structured product, business, content, and breadcrumb data. | 4.5 | Free plan | Free plan | Web | 8 Oct 2026 |
02
VitalSentinel Schema Validator
It suits website owners, developers, SEO professionals, and agencies checking JSON-LD markup on a page.
WebAPI Record5.5 Visit
03
Rolling Schema
Rolling Schema is aimed at local and service businesses, publishers, small e-commerce sites, and agencies managing client domains.
WebAPI Record5.3 Visit
04
Schema & Structured Data for WP & AMP
WebSelf-hosted Record5.0 Visit
05
Schema
Self-hosted Record4.9 Visit
6
JSON Schema App SaaS Schema
Web $14 a month, billed yearly Record4.8 Visit It suits SaaS website owners who want to manage structured data without coding.
7
Schema.dev
WebBrowser extensionAPI Free plan Record4.6 Visit Schema.dev may suit people building structured data for webpages who want a guided builder and validation options.
8
BlueGrid Schema Validator
Web Free plan Record4.5 Visit BlueGrid Schema Validator suits site owners and developers creating or checking JSON-LD in a browser.
9
EasySchema
Web Free plan Record4.5 Visit EasySchema suits website owners and businesses working on structured data and search visibility.
10
WooCommerce Rich Snippets & Schema Markup
Web Free plan Record4.5 Visit It suits WordPress and WooCommerce site owners who want structured product, business, content, and breadcrumb data.
11
Schema.biz
Web Free plan Record4.4 Visit Schema.biz is aimed at developers and SEO professionals working with structured data, databases, and API specifications.
12
SchemaValid
Web Free plan Record4.4 Visit Website owners, small businesses, and freelancers who need browser-based technical SEO tools without writing code may find SchemaValid suitable.
13
SEO Schema Markup
Web Free plan Record4.4 Visit This toolkit suits people adding structured data to websites, including Shopify stores and WordPress sites.
14
Google Rich Results Test
Web Free plan Record4.3 Visit This suits site owners and developers checking structured data on publicly reachable pages or code snippets.
15
JSON-LD Generator
Web Free plan Record4.3 Visit This tool suits web developers and SEO practitioners who need to create JSON-LD markup.
16
TechnicalSEO Schema Markup Generator
Web Free plan Record4.3 Visit It suits website and SEO users who need to create JSON-LD markup and then add it to HTML pages.
18
isSemantic.net
Web Free plan Record4.2 Visit It suits people who need browser-based structured-data validation, generation, visualization or conversion.
20
Schema Markup Generator
Web Free plan Record4.1 Visit It suits website owners, marketers, and organizations creating structured data for pages or businesses.
22
StructuredValidator
Web Free plan Record4.1 Visit It suits SEO professionals and developers checking JSON-LD or comparing schema implementations.
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