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 JSON Schema App SaaS Schema and Rolling Schema. The best-ranked option with a free plan is JSON Schema App SaaS Schema. The lowest first paid tier on this page is Schema & Structured Data for WP & AMP at $8.25/mo.
Schema markup tools can differ in how they help you create, check, and maintain structured data. Compare API access and bulk generation with schema validation, supported schema types, and rich-result preview to understand the capabilities represented here. WordPress support and markup monitoring may also matter to your workflow, while free-plan availability and “Paid from” offer cost context. JSON Schema App SaaS Schema and Schema Markup Info appear among the opening entries, followed by Baseline Labs Schema Generator. The tools are ordered as a ranked best-of list, with the listed criteria available for comparing their approaches.
24 schema markup tools ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
Recognised 40% · Phone app 26% · Documented 20% · Free plan 14% of the score
- 1 Baseline Labs Schema Generator No phone app RecognisedPhone appDocumentedFree plan 6.4€79/mo Schema validation: Yes
- 2 JSON Schema App SaaS Schema No phone app RecognisedPhone appDocumentedFree plan 6.4$14/mo Schema validation: YesRich-result preview: YesSupported schema types: 11 types
- 3 Rolling Schema No phone app RecognisedPhone appDocumentedFree plan 6.4€79/mo Schema validation: Yes
- 4 SchemaValid No phone app RecognisedPhone appDocumentedFree plan 6.4Free Schema validation: YesRich-result preview: Yes
- 5 StructuredValidator No phone app RecognisedPhone appDocumentedFree plan 6.3Free Schema validation: YesRich-result preview: Yes
- 6 Schema Markup Info No phone app RecognisedPhone appDocumentedFree plan 5.9 Schema validation: YesRich-result preview: Yes
- 7 Schema & Structured Data for WP & AMP No phone app RecognisedPhone appDocumentedFree plan 5.8$8.25/mo
- 8 Schema App No phone app RecognisedPhone appDocumentedFree plan 5.6 Schema validation: YesRich-result preview: Yes
- 9 Schema No phone app RecognisedPhone appDocumentedFree plan 5.5
- 10 JSON-LD Generator No phone app RecognisedPhone appDocumentedFree plan 5.4Free Schema validation: YesRich-result preview: No
- 11 Schema.biz No phone app RecognisedPhone appDocumentedFree plan 5.4 Schema validation: YesRich-result preview: No
- 12 Schema.dev No phone app RecognisedPhone appDocumentedFree plan 5.4 Schema validation: Yes
- 13 VitalSentinel Schema Validator No phone app RecognisedPhone appDocumentedFree plan 5.3 Schema validation: Yes
- 14 WooCommerce Rich Snippets & Schema Markup No phone app RecognisedPhone appDocumentedFree plan 5.3
- 15 BlueGrid Schema Validator No phone app RecognisedPhone appDocumentedFree plan 5.2 Schema validation: YesRich-result preview: Yes
- 16 EasySchema No phone app RecognisedPhone appDocumentedFree plan 5.2 Schema validation: YesRich-result preview: Yes
- 17 Schema Markup Generator No phone app RecognisedPhone appDocumentedFree plan 5.2 Schema validation: YesRich-result preview: Yes
- 18 SEO Schema Markup No phone app RecognisedPhone appDocumentedFree plan 5.2 Schema validation: Yes
- 19 isSemantic.net No phone app RecognisedPhone appDocumentedFree plan 5.1 Schema validation: Yes
- 20 uSchema No phone app RecognisedPhone appDocumentedFree plan 5.0 Schema validation: Yes
- 21 Google Rich Results Test No phone app RecognisedPhone appDocumentedFree plan 4.9
- 22 TechnicalSEO Schema Markup Generator No phone app RecognisedPhone appDocumentedFree plan 4.9
- 23 JSON-LD Playground No phone app RecognisedPhone appDocumentedFree plan 4.7
- 24 Schema Pro No phone app RecognisedPhone appDocumentedFree plan 4.7
Is your app 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 Samsung Mobile US Press?
Baseline Labs Schema Generator is ranked #1 of 24 with a score of 6.4. JSON Schema App SaaS Schema is second and Rolling 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 mobile-first: a phone app alongside the web or desktop product, a free tier and the depth of its documentation. Paid placements never change a rank.