Coming soon

YAML to JSON

Convert between YAML and JSON formats with multi-document support.

JSON·free tier

We're still building this one. It's in the registry so we don't lose track of the scope, but the implementation isn't live yet. In the meantime, the tools below are ready to go.

Back to all tools More JSON tools

In the meantime

Related JSON tools

JSON formatter

Format, validate, and beautify JSON with syntax highlighting and stats.

FreeJSON

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CSV to JSON converter

Convert CSV with headers into JSON arrays, with type-inference for numbers.

FreeJSON

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JSON Schema generator

Infer a JSON Schema (draft 2020-12 or draft-07) from any sample document.

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JSON to CSV converter

Flatten arrays of JSON objects into CSV with custom delimiters and headers.

FreeJSON

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JSON to Go structs

Generate Go struct definitions with json tags and idiomatic field naming.

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JSON to Python dataclasses

Generate Python dataclasses, TypedDicts, or Pydantic models from JSON.

FreeJSON