JSON Formatter & Validator Online – Beautify & Validate JSON | ERA Tools

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JSON Formatter & Validator

Format, beautify, validate and minify JSON instantly with this free online JSON tool.

Enter or Paste JSON

0 B Size

0 Lines

0 Keys

Free Online JSON Formatter

ERA Tools JSON Formatter helps you format and validate JSON data quickly. Paste your JSON into the box above and click Format JSON to make your data easier to read.

What Can This JSON Tool Do?

• Format and beautify JSON.
• Validate JSON syntax.
• Minify JSON for compact output.
• Copy formatted JSON with one click.
• Use sample JSON to test the tool.
• Check JSON size, lines and keys.

How to Use the JSON Formatter

1. Paste your JSON into the input box.
2. Click Format JSON.
3. Review the formatted result.
4. Use Copy to copy the result.

Why Use an Online JSON Formatter?

JSON data can become difficult to read when it is compressed into a single line. Formatting adds indentation and line breaks so developers, students and website owners can inspect JSON more easily.

Frequently Asked Questions

What is a JSON formatter?

A JSON formatter converts compact or poorly formatted JSON into an easier-to-read structure with indentation and line breaks.

Can this tool validate JSON?

Yes. The tool uses your browser's built-in JSON parser to check whether the entered data is valid JSON.

Can I minify JSON?

Yes. Click the Minify JSON button to remove unnecessary whitespace and line breaks.

Is this JSON formatter free?

Yes. The ERA Tools JSON Formatter is free to use.

Is my JSON uploaded to a server?

The formatting and validation in this tool are performed directly in your browser. The tool does not need to send your JSON to a server.