JSON Formatter & Validator
Format compressed JSON strings into indented, readable form while validating JSON structure. Supports custom indent width and space/tab switching.
Data processed locally only
1
Formatted result will appear here
Data processed locally only
Related Tools
Core Tools
JSON Minifier
Remove all unnecessary whitespace and line breaks from JSON, compressing data to a single line to reduce size.
Format Conversion
JSONC / JSON5 → JSON Converter
Convert JSONC (JSON with comments, e.g. tsconfig.json) or JSON5 (relaxed JSON syntax) to standard JSON.
Format Conversion
JSON ↔ YAML Converter
Convert between JSON and YAML formats in both directions. Useful for config file migration and CI/CD pipeline debugging.