Free Developer Tools

JSON Formatter

Format, validate and minify JSON online free. Paste JSON and get readable formatted output locally in your browser.

Client-side

Formatted JSON

Status

Valid JSON

Input size

70 chars

{
  "site": "FreeConvert",
  "tools": [
    "image",
    "pdf",
    "qr",
    "text"
  ],
  "free": true
}

Developer Tools

About JSON Formatter

Format, validate and minify JSON online free. Paste JSON and get readable formatted output locally in your browser. The work happens in your browser, so your input stays on your device while you prepare the result.

Reading API responses, config files and structured data more clearly.

Validating JSON before adding it to code, tools or documentation.

Practical notes

JSON requires double quotes around keys and string values.
Large JSON files may use more browser memory while formatting.

Common questions

Does this tool upload my data?

No. The tool runs in your browser and keeps the selected content on your device.

Is this tool free?

Yes. It is free to use in the browser and does not require an account.