JSON root type

Client

Validate parser output or pasted fragments before sending them to specialized tools.

Learn more: root type

Includes array length when root is an array—does not validate schema.

Local processing

Parsing and output formatting run entirely in your browser—nothing is uploaded for this transform.

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Nearby workflows on Toolcore

  • JSON syntax rules — RFC 8259 rules with a browser JSON. once JSON text parses on this page.
  • JSON statistics — Depth, key counts, object/array totals, and value-type breakdown—local only. once JSON text parses on this page.
  • Extract JSON from text — First {. once JSON text parses on this page.
  • JSON formatter — JSON format online: pretty-print, minify, validate, escape, download . once JSON text parses on this page.

Common use cases

  • Validate parser output or pasted fragments before sending them to specialized tools.
  • Paste valid JSON, then read the transformed output below.

Common mistakes to avoid

  • Invalid JSON

    Fix parse errors before expecting output.

FAQ

Is data uploaded?

No—all parsing and transforms run locally.

How is this different from jq?

This page focuses on one deterministic task without a filter language.

Related utilities you can open in another tab—mostly client-side.