JSON Formatter

What is JSON Formatting?

JSON formatting turns compact or messy JavaScript Object Notation into readable, consistently indented text. Developers use a JSON formatter when API responses, logs, configuration files, or test fixtures arrive as one long line and need to be inspected quickly. A good formatter preserves the original data while changing only whitespace and, when requested, the visual order of object keys.

JSONFather formats JSON directly in your browser. That means private payloads, tokens, customer data, and local configuration files do not need to be uploaded to a remote service just to become readable. The formatter also validates the input before producing output, so syntax errors are reported with line and column details instead of silently changing broken data.

How to Format JSON

Paste JSON into the input editor, choose Format, then copy the formatted output. Use Minify when you need the smallest valid JSON string for transport, environment variables, or fixtures. Use Validate when you only want to check syntax and see parser feedback. Enable Sort Keys when stable object ordering helps code review, documentation, or diff workflows.

Example

{"name":"jsonfather","age":1}

{
  "name": "jsonfather",
  "age": 1
}