JSON-LD Entity Graph Resolver — Schema.org to Knowledge Graph

Extract deeply nested JSON-LD, validate against Schema.org (979 types, 1,633 properties), and resolve disconnected blocks into one unified knowledge graph with typed edges. No browser, no API keys, no LLM. First 3 pages free.

Pricing

from $3.00 / 1,000 page processeds

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0.0

(0)

Developer

subimpact

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Monthly active users

8 days ago

Last modified

Bulk Schema Markup & JSON-LD Validator

snapperwapper/schema-markup-validator-bulk

Extract and validate JSON-LD, Schema.org types, Open Graph, and Twitter Card metadata from up to 1,000 webpages with structured issue reporting.

snapperwapper

Structured Data Auditor

frank_conifer_af4/structured-data-auditor

Extract and validate JSON-LD, Open Graph, Twitter card, canonical, and schema.org signals from web pages.

Juddroid

Google Knowledge Graph

seemuapps/google-knowledge-graph

Enrich a list of entity names (people, companies, places, things) with metadata from the Google Knowledge Graph.

Andrew

Structured Data Audit (JSON-LD / schema.org)

conserving_mastodon/structured-data-audit

Extract and validate a page's JSON-LD, report the schema.org types present, and flag missing recommended properties that block rich results and AI grounding. Detects microdata, RDFa, and Open Graph too. Charged only on completed audits.

Chris Arsenault

🕸️ Knowledge Graph Extractor - Entities & Typed Relationships

that_red_bird/knowledge-graph-extractor

🕸️ Crawl a site or corpus and get back a real graph: typed ENTITIES and typed RELATIONSHIPS, no LLM. ✅ JSON-LD first, then headings/tables/breadcrumbs/pricing tables. ✅ Cross-page entity resolution merges aliases into one node. ✅ Edges built from structure, every one with an evidenceUrl.

mohamed alaya

Schema.org Markup Validator

scrappy_garden/schema-org-markup-validator

Validate Schema.org structured data for SEO. Parses JSON-LD, detects Microdata and RDFa, highlights schema types, and reports common issues like invalid JSON-LD, missing @type, non-schema.org @context, and missing key properties for popular schema types.

Bikram Adhikari

Structured Data Extractor — JSON-LD, Open Graph & Meta Tags

nuhemugames/structured-data-extractor

Extract every machine-readable block from web pages: JSON-LD (schema.org) with detected types, Open Graph, Twitter Card, standard meta tags, canonical URL, hreflang and favicons. One clean JSON item per URL. Fetches only the URLs you provide - no crawling. No credentials needed.

kuon

Schema.Org Json Ld Extractor

sync-network/schema-org-json-ld-extractor

Extract Schema.org JSON-LD structured data from any website. Fast, lightweight HTTP-based scraper that pulls all JSON-LD scripts - perfect for SEO analysis, product data extraction, and AI/RAG pipelines. No browser overhead.