JSON Formatter & Validator

Paste JSON to format, minify, or validate with clear error messages and syntax highlighting.

Input JSON

0 chars, 0 lines

Indent:

Output

How to use

Paste or type JSON into the input box. Click Format to pretty-print with your chosen indent, Minify to compress to one line, or Validate to check for errors. If your JSON is invalid, the error message and line number appear below the input. Click Copy to copy the output to your clipboard.

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