Toolmanor

JSON Formatter

Pretty-print JSON so it is easy to read, minify it to one line, and see exactly which line and column has a syntax error.

How to format JSON

  1. Paste your JSON in the left box.
  2. Choose the indentation, or "Minify" to put it on one line.
  3. If the JSON is invalid, the line and column of the error are shown.

Frequently asked questions

More JSON tools