How to Use the JSON Formatter & Validator
Paste JSON into the tool, and it validates the syntax instantly, reporting any error with its exact location — valid JSON can then be reformatted as pretty-printed (indented) or minified (compact) with a single action.
The JSON Formatter & Validator handles validation, pretty-printing, and minifying in one tool — here's how to use each function.
Validating JSON
Paste JSON in, and the tool immediately reports whether it's valid — if not, it typically points to the specific line and character where parsing failed, as covered in the guide on reading validation errors.
Switching between pretty-printed and minified
For valid JSON, switching between a readable, indented format and a compact, minified format takes one action — useful for moving between debugging (pretty-printed) and actual use in an application or API (often minified), as covered in the guide comparing the two formats.