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Coding Tools
Use JSON Formatter Online to format and beautify JSON in seconds. Paste JSON or upload a file to improve readability with proper indentation. Free browser-based JSON formatter.
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Overview
JSON formatting (pretty printing) adds indentation and line breaks to JSON data so objects, arrays, and values are easier to read, debug, and share.
How to use
Pick indentation, key sorting, Unicode escaping, and trailing newline settings before formatting.
Enter JSON in the text tab or upload a .json file from the upload tab.
Click Format JSON to beautify your data using the selected formatting options.
Check the formatted JSON in the output panel before copying or downloading.
Copy formatted JSON to your clipboard or download it as a file.
Features
Make minified JSON readable again
Improve debugging and API response review
Standardize indentation across teams
Works entirely in your browser
Copy or download formatted output instantly
FAQ
Quick answers about JSON Formatter.
Formatting only changes whitespace and line breaks unless you enable Sort keys, which reorders object properties alphabetically without changing values.
Help others discover this free tool
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JSON Formatter
Paste or upload JSON to pretty-print or minify it.