HandyToolsOnline

Developer Tools

JSON Formatter

Free JSON formatter and validator — paste JSON to pretty-print, validate, and highlight syntax instantly. Supports minify, indent size, copy, and download.

How to use this tool

  1. Open the interactive tool on this page.
  2. Enter or select the information you want to process.
  3. Review the result, then copy or download it when that option is available.

Fast, free, and easy to access

HandyToolsOnline tools require no account. The interactive interface loads in your browser and is designed to work on desktop, tablet, and mobile devices.

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