JSON Formatter — Format and Validate JSON

About this tool

Format JSON for readability, check syntax and minify data. Includes indentation controls, statistics and string transformations. Review the output when handling large integers or duplicate keys.

Features:

• Formatting — display JSON with indentation
• Validation — check JSON syntax and structure
• Minification — remove unnecessary whitespace
• Structure analysis — inspect key counts, values and nesting depth
• Inspection and navigation — explore keys and values
• Flatten/Unflatten — convert nested JSON to and from dot-key notation
• Escape/Unescape — escape and unescape JSON strings

Use cases:

Inspect API responses and configuration files, prepare JSON payloads and check data syntax before importing it into another tool.