JSON diff arrays

Client

Set difference for allowlists or tag lists stored as JSON arrays.

Learn more: array diff

Uses JSON.stringify for membership tests.

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 intersect arrays — Keep items appearing in both left and right arrays—browser-only. once JSON text parses on this page.
  • JSON merge arrays unique — Merge left and right arrays with unique values—{left, right} input, local. once JSON text parses on this page.
  • JSON compare — Side-by-side diff paths; sample pre-filled. 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

  • Set difference for allowlists or tag lists stored as JSON arrays.

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.