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Free Online JSON Pretty Printer

Pretty print minified or single-line JSON text into clean, beautifully indented code.

Syntax Error23 lines • 0 B
Original JSON (Input)
Formatted JSON (Output)

Pretty Printing Best Practices

Whether inspecting API payload dumps or auditing configuration files, pretty printing formats raw text into standardized 2-space or 4-space code structures that fit seamlessly into technical documentation or code repositories.

Frequently Asked Questions

What is JSON Pretty Printing?

Pretty printing applies consistent line breaks, indentation levels (2-space, 4-space, or tabs), and key alignment to raw JSON text, making complex data structures effortless to read and inspect.

How do I pretty print JSON in JavaScript code?

In JavaScript, you can pretty print JSON using JSON.stringify(data, null, 2), where 2 represents the number of spaces for indentation.

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