JSON coerce numbers

Client

Fix CSV-to-JSON or form exports where numbers arrived as quoted strings.

Learn more: coercing numbers

Uses Number() on non-empty strings that parse as finite numbers; other nodes unchanged.

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 coerce booleans — Turn "true" and "false" strings into JSON booleans at any depth—browser-only. once JSON text parses on this page.
  • JSON repair — Fix almost-JSON to strict JSON—trailing commas and common mistakes, local 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.
  • 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

  • Fix CSV-to-JSON or form exports where numbers arrived as quoted strings.

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.