Text Analyzers
JSON Formatter & Validator
Prettify nested JSON inputs, validate syntax, and pinpoint parse errors with line numbers.
Spacing Indent
Raw JSON Input
Formatted Output
About JSON Formatter & Validator
Our free online JSON Formatter & Validator prettifies raw nested JSON documents for easy reading, formats indentation parameters, and minifies files. The real-time checker points out syntax errors with line specifications locally.
How to use JSON Formatter & Validator
- Paste your raw JSON string in the Input box.
- Choose your indent size (2 spaces, 4 spaces, tabs, or minify script).
- Check the validation label (Valid JSON vs Error details).
- Copy your beautifully indented JSON layout or save it as a .json file.