How to Use the JSON Formatter & Validator
- Paste your JSON into the input panel.
- Click Format to beautify or Validate to check syntax.
- Open Advanced Options for indent size, key sorting, and minify mode.
- Copy the result with one click and get instant success feedback.
Examples & Reference
Parsing uses JSON.parse() for validation. Formatting applies JSON.stringify(value, replacer, space) where space controls indentation depth.
Frequently Asked Questions
No. The validator will highlight the syntax error location. Fix errors before formatting.