Developer tool

JSON Formatter

Format, validate, and minify JSON directly in your browser.

How to use JSON Formatter

A JSON formatter makes JSON data easier to read by adding indentation, line breaks, and consistent structure. It can also help detect invalid JSON syntax.

Basic idea

Raw JSON -> parse and validate -> pretty JSON output

What makes JSON invalid?

Common causes include missing quotes, trailing commas, unclosed brackets, or using single quotes instead of double quotes for strings.

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