JSON Formatter, Validator & Tree Visualizer

How to use

1. 1 Paste unformatted or minified JSON string into the editor.
2. 2 Click Beautify to format with customizable 2-space or 4-space indentation.
3. 3 Switch to Tree View to interactively collapse and expand objects/arrays.
4. 4 Copy formatted JSON or download as .json file.

Features

• Instant syntax validation with highlighted error lines.
• Interactive collapsible JSON tree inspector.
• Minify and Compress JSON with one click.
• Convert JSON to CSV / TSV format.

Benefits

• Debug REST API responses and GraphQL payloads faster.
• Clean up minified configuration files.

Frequently asked questions