Developer Utilities

JSON Formatter & Validator

Clean, fast, and secure online JSON formatter and validator. Beautify minified JSON, inspect data hierarchy, calculate key depth, and fix syntax errors locally in your browser with zero server uploads.

100% In-Browser Privacy

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How to Format and Validate JSON

1

Paste JSON Code

Paste your raw or compressed JSON into the input editor or click 'Load Sample' to test.

2

Beautify or Minify

Choose your indentation (2 spaces, 4 spaces, or 8 spaces) or click 'Minify' for a single-line output.

3

Copy or Download

Copy the clean, validated JSON output to your clipboard or download it as a .json file.

Frequently Asked Questions

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