JSON Formatter

Pretty-print, minify, and validate JSON with syntax error detection.

Indent:

Input (JSON)

Output (Formatted)

Paste JSON to see formatted output…

Features

Format JSON with configurable indentation (2, 4, 8 spaces or tab). Makes nested structures easy to read.

Compress JSON by removing all whitespace. Useful for reducing file size for network transfers.

Visualize JSON structure as an expandable tree. Quickly understand nested object and array relationships.

Real-time syntax validation with precise line and column numbers to help you fix JSON errors fast.

All processing happens locally in your browser. No data is sent to any server.