Skip to content

JSON Formatter / Beautifier

Format and beautify JSON. Validate syntax and pretty-print with customizable indentation.

Also known as: JSON beautifier, JSON pretty print online, format JSON online, JSON validator

3,412 files converted
Your files stay private — all processing happens in your browser.

Input

Output

Paste JSON on the left to format.

Ctrl+V to paste · Ctrl+Enter to convert

What is JSON Formatter / Beautifier?

JSON Formatter / Beautifier is a free, browser-based tool that lets you format and beautify JSON. Validate syntax and pretty-print with customizable indentation. No signup is required, and no files are uploaded to any server — all processing happens locally in your browser using JavaScript. This tool is also commonly referred to as JSON beautifier, JSON pretty print online, format JSON online.

Working with CSV data? Try our CSV to JSON converter. Need to convert JSON to another format? Check our JSON to CSV converter.

How it works

1

Upload or paste

Add your file or paste your content

2

Convert instantly

Processing happens in your browser

3

Copy or download

Get your result instantly

Frequently asked questions

Learn More

Articles and guides related to this tool.

Related tools