JSON Formatter
Paste your JSON to format, validate, and minify it.
Input
Output
About JSON Formatter
JSON (JavaScript Object Notation) is a lightweight data interchange format. This tool formats (beautifies) or minifies JSON data instantly. All processing happens in your browser — your data never leaves your device.
Features
Format JSON with proper indentation, minify to reduce file size, validate syntax with detailed error messages, and copy output with one click.