Best Schema Markup Tools in 2026
Updated
In short: Baseline Labs Schema Generator is ranked #1 of 24 as of 4 October 2026, ahead of Rolling Schema and JSON Schema App SaaS Schema. The best-ranked option with a free plan is Rolling Schema. The lowest first paid tier on this page is Schema & Structured Data for WP & AMP at $8.25/mo.
Creating and maintaining structured data involves choices about schema coverage, validation and how markup fits into your workflow. Compare the tools on supported schema types, schema validation and rich-result preview, alongside bulk generation, markup monitoring and API access. WordPress support, free-plan availability and “Paid from” offer further points to weigh. Baseline Labs Schema Generator and Rolling Schema lead the ranked entries, with JSON Schema App SaaS Schema and Schema Markup Info among the first options. Consider which listed capabilities matter for generating, checking and managing markup.
24 schema markup tools ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
| # | Platform | Score | Why | From | Free plan | Paid from | Schema validation | |
|---|---|---|---|---|---|---|---|---|
| 1 | Baseline Labs Schema Generator | 7.4 | RecognisedAPIDocumented | €79/mo | Yes | — | Yes | View |
| 2 | Rolling Schema | 7.4 | RecognisedAPIDocumented | €79/mo | Yes | — | Yes | View |
| 3 | JSON Schema App SaaS Schema | 6.0 | RecognisedAPIDocumented | $14/mo | Yes | 14 /mo | Yes | View |
| 4 |  SchemaValid | 6.0 | RecognisedAPIDocumented | Free | Yes | — | Yes | View |
| 5 |  StructuredValidator | 5.9 | RecognisedAPIDocumented | Free | Yes | — | Yes | View |
| 6 | Schema & Structured Data for WP & AMP | 5.6 | RecognisedAPIDocumented | $8.25/mo | Yes | — | — | View |
| 7 | Schema Markup Info | 5.6 | RecognisedAPIDocumented | — | Yes | — | Yes | View |
| 8 | Schema App | 5.4 | RecognisedAPIDocumented | — | No | — | Yes | View |
| 9 |  Schema | 5.3 | RecognisedAPIDocumented | — | Yes | — | — | View |
| 10 |  JSON-LD Generator | 5.2 | RecognisedAPIDocumented | Free | Yes | — | Yes | View |
| 11 |  Schema.biz | 5.2 | RecognisedAPIDocumented | — | Yes | — | Yes | View |
| 12 |  Schema.dev | 5.2 | RecognisedAPIDocumented | — | Yes | — | Yes | View |
| 13 | VitalSentinel Schema Validator | 5.1 | RecognisedAPIDocumented | — | Yes | 39 /mo | Yes | View |
| 14 |  WooCommerce Rich Snippets & Schema Markup | 5.1 | RecognisedAPIDocumented | — | Yes | — | — | View |
| 15 | BlueGrid Schema Validator | 5.0 | RecognisedAPIDocumented | — | Yes | — | Yes | View |
| 16 |  EasySchema | 5.0 | RecognisedAPIDocumented | — | Yes | — | Yes | View |
| 17 |  Schema Markup Generator | 5.0 | RecognisedAPIDocumented | — | Yes | — | Yes | View |
| 18 |  SEO Schema Markup | 5.0 | RecognisedAPIDocumented | — | Yes | — | Yes | View |
| 19 |  isSemantic.net | 4.9 | RecognisedAPIDocumented | — | Yes | — | Yes | View |
| 20 | uSchema | 4.9 | RecognisedAPIDocumented | — | No | — | Yes | View |
| 21 | Google Rich Results Test | 4.8 | RecognisedAPIDocumented | — | Yes | — | — | View |
| 22 |  TechnicalSEO Schema Markup Generator | 4.8 | RecognisedAPIDocumented | — | Yes | — | — | View |
| 23 |  JSON-LD Playground | 4.6 | RecognisedAPIDocumented | — | — | — | — | View |
| 24 |  Schema Pro | 4.6 | RecognisedAPIDocumented | — | No | — | — | View |
Is your platform on this list?
Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.
Questions about this list
Which schema markup tool is ranked first on Inferse?
Baseline Labs Schema Generator is ranked #1 of 24 with a score of 7.4. Rolling Schema is second and JSON Schema App SaaS Schema third.
How many of these have a free plan?
6 of the 24 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, Schema & Structured Data for WP & AMP has the lowest first paid tier we found: $8.25/mo.
How is this list ranked?
Ranked on what each maker publishes, open and connectable first: a public API, open-source code, the depth of its documentation and a free tier to try it on. Model lists are sorted by the figure in their title, exactly as each provider publishes it. Paid placements never change a rank.