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.

The same workbench also handles JSON string escaping and unescaping. Escape is useful when JSON needs to be embedded inside another JSON string, source code literal, log line, or environment value. Unescape reverses that process so quoted JSON text becomes readable again.

When collaboration is needed, JSONFather can create short JSON share links stored in the server SQLite database. Shared JSON is limited to 500 KB, can expire after 3 hours, 24 hours, 3 days, or 7 days, and can be protected with an optional password.

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.

Choose Escape when you need a JSON string literal with quotes, newlines, and backslashes escaped. Choose Unescape when pasted text already contains escaped characters and you want the readable JSON text back.

To share JSON, choose an expiration, optionally enter a password, then create a short share link. Sharing is explicit; normal formatting, validation, and conversion actions stay in the browser.

Available actions

• Format JSON
• Minify JSON
• Validate JSON
• Import JSON file
• Copy output
• Download output
• Create expiring JSON share link
• Collapse all
• Expand all
• Escape JSON string
• Unescape JSON string
• Sort Keys
• Generate sample JSON
• Simple sample
• Medium sample
• Complex sample
• Back to top
• Back to bottom
• Find in editor
• Previous match
• Next match
• Replace all
• Close search panel

Example

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

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