JSON Formatter & Validator

Beautify, minify, or validate JSON. View as a collapsible tree. Copy or download your output.

How to use

  • Paste your JSON into the input box above.
  • Click Beautify to format with 2-space indentation for easy reading.
  • Click Minify to compress JSON by removing all whitespace.
  • Click Validate to check if your JSON is valid — errors show the line number.
  • Switch to Tree View to explore the JSON structure with collapsible nodes.
  • Use Copy Output or Download .json to save your result.

About this Json Formatter

Use this free JSON formatter to format, validate, beautify, and minify JSON. It is useful for API responses, configuration files, logs, debugging, and copying structured data into a readable format. No signup is required, and the tool works on phones, tablets, and desktop browsers.