Readable JSON output

JSON Beautifier

Pretty-print compact JSON into readable, consistently indented output while validating the syntax before any result is produced.

Input

Paste JSON to beautify

Local

Choose 2 or 4 spaces. The beautifier preserves the parsed data and changes presentation whitespace only.

Indentation
Up to 5 million characters
Output

Beautified JSON

Waiting for input
JSON result will appear here

Valid input produces structure details and reusable output. Invalid input shows a readable syntax diagnostic.