JSON Formatter & Validator

Format, validate, and minify JSON data. Pretty-print with proper indentation.

100% Client-Side Processing — Your Data Never Leaves Your Browser
Input JSON
Actions process input and show result below
Formatted Output

How to Use the JSON Formatter

Paste your raw or minified JSON into the input area and click Format to pretty-print it with 2-space indentation.

Features

Pretty-print JSON with consistent 2-space indentation. Minify JSON for production use. Validate JSON syntax with helpful error messages. Copy formatted output to clipboard with one click. No server-side processing, no data collection, no sign-up required.

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