JSON sum numeric array

Client

Quick totals on primitive numeric lists without object rows.

Learn more: summing arrays

Root must be an array; non-numeric entries are skipped.

Local processing

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

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Nearby workflows on Toolcore

  • JSON average numeric array — Average numeric elements in a JSON array—local aggregate helper. once JSON text parses on this page.
  • JSON min max array — Minimum and maximum of numeric array elements—in your browser. once JSON text parses on this page.
  • JSON sum field — Sum one numeric field across an array of objects—local quick aggregate. 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

  • Quick totals on primitive numeric lists without object rows.
  • 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.