JSON camelCase keys

Client

Normalize snake_case or kebab-case API payloads to camelCase for JavaScript clients—walks nested objects and arrays of objects.

Learn more: camelCase property names

Recursively renames object keys to camelCase—arrays of objects are updated; array indices and non-object leaves stay unchanged.

Local processing

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

Input

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Paste JSON, then read transformed output below.

Nearby workflows on Toolcore

  • JSON snake_case keys — Convert object keys to snake_case at every level—local JSON key normalization. once JSON text parses on this page.
  • JSON rename keys — Map old property names to new—deep rename at every object level; local only. once JSON text parses on this page.
  • JSON sort keys — Recursively sort object keys for stable JSON text—pretty or minify, client-side. 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

  • Normalize snake_case or kebab-case API payloads to camelCase for JavaScript clients—walks nested objects and arrays of objects.

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.