ToolZeroo › JSON Formatter
FREE BROWSER TOOL
JSON Formatter
Format, validate and minify JSON directly in your browser.
How it works
JSON is parsed as a data structure, then printed with indentation or compacted without unnecessary whitespace.
Invalid JSON is reported instead of being silently changed.
Privacy note: this tool is designed to process your input in your browser. We do not require an account or ask for sensitive personal information.
About this tool
Format, validate and minify JSON directly in your browser. This tool is provided for general informational and practical use. Results may depend on the values or assumptions you enter.