JSON sum field

Client

Quick totals on tabular JSON rows before exporting to CSV or spreadsheets.

Learn more: summing fields

Requires a root array of objects; coerces numeric strings when finite.

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 field — Compute the average of one numeric field in a JSON array—client-side only. once JSON text parses on this page.
  • JSON min max field — Find minimum and maximum for one numeric field in a JSON array—local only. 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.
  • CSV ↔ JSON — Paste a table or JSON array of objects—convert both ways, choose delimiter, client-side. once JSON text parses on this page.

Common use cases

  • Quick totals on tabular JSON rows before exporting to CSV or spreadsheets.
  • 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.