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JSON-LD To Normalized

Normalize JSON-LD documents into canonical N-Quads format with real-time browser-side processing.

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Normalize JSON-LD into canonical N-Quads

RDF dataset normalization produces a canonical representation of linked data. Two semantically equivalent JSON-LD documents will produce the same normalized N-Quads output, making it possible to compare graphs and verify digital signatures reliably.

What this tool does

Paste a JSON-LD document and the converter applies the RDF Dataset Canonicalization algorithm (URDNA2015). The output is a normalized N-Quads serialization where blank nodes receive deterministic labels.

When to use normalization

  • Verify that two JSON-LD documents represent the same RDF graph.
  • Prepare datasets for RDF canonical hashing and digital signatures.
  • Compare linked data from different sources in a canonical form.
  • Debug semantic equivalence between JSON-LD variants.

Related tools

For standard RDF serialization without canonicalization, use JSON-LD to N-Quads. To work with compact JSON-LD terms, try JSON-LD to Compacted.

Frequently Asked Questions

What is RDF normalization?

Normalization assigns deterministic identifiers to blank nodes so that equivalent RDF graphs produce identical serializations. This is defined by the URDNA2015 algorithm in the RDF canonicalization specification.

How is normalization different from N-Quads conversion?

N-Quads conversion serializes RDF triples as-is. Normalization first canonicalizes blank node labels so semantically identical graphs always produce the same output, regardless of original blank node names.

Does processing happen in the browser?

Yes. This tool uses the jsonld.js processor locally. Your documents are not uploaded to a server.

What format is the output?

The output is N-Quads, a line-based RDF format where each line represents one quad (subject, predicate, object, graph) ending with a period.

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