JSON wrap in array
ClientAdapt a lone object or scalar to APIs that always expect an array root.
Learn more: wrapping values
Arrays pass through unchanged—objects, scalars, null, and nested structures become `[value]`.
Local processing
Parsing and output formatting run entirely in your browser—nothing is uploaded for this transform.
Nearby workflows on Toolcore
- JSON unwrap single element — If the root is an array with exactly one item, output that item—otherwise report an error. once JSON text parses on this page.
- JSON array chunks — Split a JSON array into fixed-size batches or merge nested arrays into one list—pagination and bulk helpers, 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.
- NDJSON / JSON Lines — Newline-delimited JSON: lines to array, array to lines, validate, minify—client-side. once JSON text parses on this page.
Common use cases
- Adapt a lone object or scalar to APIs that always expect an array root.
- 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.
More tools
Related utilities you can open in another tab—mostly client-side.
JSON unwrap single element
ClientIf the root is an array with exactly one item, output that item—otherwise report an error.
JSON array chunks
ClientSplit a JSON array into fixed-size batches or merge nested arrays into one list—pagination and bulk helpers, client-side.
JSON formatter
ClientJSON format online: pretty-print, minify, validate, escape, download .json.
NDJSON / JSON Lines
ClientNewline-delimited JSON: lines to array, array to lines, validate, minify—client-side.