QADevBench

01 / JSON / json-formatter

JSON Formatter

Format, validate and minify JSON instantly.

ReadyLocal processing
01 · Workspace

How to use

  1. 01Paste or type JSON into the input editor.
  2. 02Press Format (or Ctrl/Cmd + Enter) to pretty-print it with 2-space indentation.
  3. 03Use Minify to collapse it into a single compact line.
  4. 04Copy the result or download it as a .json file.

What is this tool?

A JSON formatter converts compact or difficult-to-read JSON into a structured, readable format, and reports syntax errors with the line and column where parsing failed. Everything runs locally in your browser — your JSON is never uploaded.

Common use cases

  • Reading API responses during debugging
  • Validating request payloads before sending them
  • Cleaning up minified config files
  • Preparing fixtures for automated tests

FAQ

What is a JSON formatter?

A JSON formatter converts compact or difficult-to-read JSON into a structured, readable format.

Is my JSON uploaded?

No. JSON is processed locally in your browser.

Can I minify JSON?

Yes, use the Minify action.

Can I download the formatted JSON?

Yes, use Download JSON.