JSON unwrap single element

Client

Undo APIs that always wrap a singleton response in `[ … ]` when you know there is only one row.

Learn more: unwrapping singleton arrays

Use when length must be exactly one—empty or multi-element arrays are rejected with a clear message.

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 pluck field — From a JSON array of objects, output an array of one field's values—browser-only. 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.
  • Extract JSON from text — First {. once JSON text parses on this page.

Common use cases

  • Undo APIs that always wrap a singleton response in `[ … ]` when you know there is only one row.

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.