JSON interleave arrays

Client

Merge parallel sequences for diff-friendly combined streams.

Learn more: interleaving

Alternates elements from left then right until both arrays are exhausted.

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 concat arrays — Flatten one level: concatenate arrays from a JSON array-of-arrays—client-side. once JSON text parses on this page.
  • JSON zip columns — Turn an object of parallel arrays into an array of row objects—local ETL helper. once JSON text parses on this page.
  • JSON merge arrays by key — Join rows from left and right arrays on a shared field—spread merge, browser-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.

Common use cases

  • Merge parallel sequences for diff-friendly combined streams.

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.