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Intermediate3 min read

How to Format & Validate JSON

Pretty-print and validate JSON payloads while debugging APIs.

Open tool: JSON Formatter · Full guide →

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Steps

  1. 1

    Open JSON Formatter

    Open the developer utility in your browser.

  2. 2

    Paste the payload

    Copy the API response or config into the input.

  3. 3

    Format or minify

    Pretty-print for readability or minify for compact payloads.

Tips & tricks

  • Fix validation errors before blaming the client SDK.

Common use cases

  • API debugging
  • Config review
  • Support tickets

Screenshot checklist

When refreshing this guide, capture these UI states for the docs:

  • Pretty-printed tree view

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