JSON nest under key

Client

Create API envelope shapes like data or payload without hand-editing braces.

Learn more: nesting under a key

Outputs a one-key object; the input value is unchanged aside from wrapping.

Local processing

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

Input

?
Paste JSON, then read transformed output below.

Nearby workflows on Toolcore

  • JSON wrap in array — Wrap any JSON value in a one-element array if it is not already an array—local helper. once JSON text parses on this page.
  • JSON object keys array — List object property names as a JSON string array—Object. 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.
  • JSON → curl command — Build a curl line with a JSON body and Content-Type—copy locally for API repro. once JSON text parses on this page.

Common use cases

  • Create API envelope shapes like data or payload without hand-editing braces.

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.