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JSON Analyzer

Get instant statistics about your JSON: total keys, maximum nesting depth, and counts of every data type — strings, numbers, booleans, nulls, arrays, and objects. A fast way to understand the shape of an unfamiliar document.

How to use JSON Analyzer

  1. 1Paste your JSON into the editor.
  2. 2Open the Analyzer view to see key counts, maximum nesting depth, and a breakdown of every data type.
  3. 3Use the insights to understand an unfamiliar API response before writing code against it.

Features

Key and depth counts
Data-type breakdown
Structure insights
No data sent to servers — 100% client-side

Frequently asked questions

What statistics does it show?

Total key count, maximum nesting depth, array lengths, and a breakdown of how many values of each type your JSON contains.

Why analyze JSON structure?

It helps you understand large or unfamiliar API responses and data before writing code against them.