JSON root type
ClientValidate 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.
Input
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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.
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.
More tools
Related utilities you can open in another tab—mostly client-side.
JSON syntax rules
ClientRFC 8259 rules with a browser JSON.parse checker, hints for common syntax mistakes.
JSON statistics
ClientDepth, key counts, object/array totals, and value-type breakdown—local only.
Extract JSON from text
ClientFirst {...} or [...] in logs or mixed paste—strict JSON, pretty-print locally.
JSON formatter
ClientJSON format online: pretty-print, minify, validate, escape, download .json.