JSON Formatter

Format, validate, and minify JSON data instantly.

Indent:

How it works

Paste your raw or minified JSON data and the formatter instantly validates the syntax, beautifies it with proper indentation, and highlights any errors. You can also minify formatted JSON back to a single line for production use.

Why use this tool?

Developers use this free online JSON formatter to debug API responses, validate JSON configuration files, and make unreadable minified JSON human-friendly. Supports JSON up to several megabytes in size.

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