JSON unique field values

Client

Distinct categories for filters or enum discovery—lighter than full group-by.

Learn more: unique field values

First-seen order; compares values with JSON.stringify for uniqueness.

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 unique by field — Deduplicate JSON array rows by one field—keep first or last; local only. once JSON text parses on this page.
  • JSON count by field — Count occurrences of each value for one property across a JSON object 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.
  • JSON group by field — Bucket a root array of objects by one property—object of arrays output; local only. once JSON text parses on this page.

Common use cases

  • Distinct categories for filters or enum discovery—lighter than full group-by.

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.