JSON array length

Client

Count elements without loading full stats—pairs with slice and take tools.

Learn more: array length

Root must be an array; nested lengths are not counted.

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 statisticsDepth, key counts, object/array totals, and value-type breakdown—local only. once JSON text parses on this page.
  • JSON take first NKeep only the first N elements of a JSON array—non-negative count, local only. once JSON text parses on this page.
  • JSON skip first NSkip the first N items of a JSON array—non-negative count, browser-only. once JSON text parses on this page.
  • JSON formatterJSON format online: pretty-print, minify, validate, escape, download . once JSON text parses on this page.

Common use cases

  • Count elements without loading full stats—pairs with slice and take 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.

Related utilities you can open in another tab—mostly client-side.