UtilityData

JSON Key Counter

Count object keys recursively in valid JSON.

Instant · no account

Input

Enter your values

JSON

Method

How it works

Change any input above and the result updates instantly. The formula or method used by this tool is shown below.

Recursively counts enumerable keys in JSON objects and objects inside arrays

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Quick answers

About this tool

What does the JSON Key Counter do?+

Count object keys recursively in valid JSON.

How does this utility calculate the result?+

It uses this method: Recursively counts enumerable keys in JSON objects and objects inside arrays

Are my inputs saved or sent to an account?+

Core CalcForge tools require no account, and most calculations run locally in your browser. Favorites and recent-tool history, when used, stay in this browser.