JSON Formatter
Format, validate, minify and beautify JSON data online instantly.
How to Use JSON Formatter
- 1
Paste your raw or minified JSON into the input panel.
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The tool validates and formats it instantly with syntax highlighting.
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If there's an error, the error message shows the exact location.
- 4
Switch between "Formatted", "Minified", and "Tree View" modes.
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Click "Copy" to copy the formatted JSON to your clipboard.
About JSON Formatter
Our JSON Formatter and Validator is an essential tool for any developer working with APIs, configuration files, or data interchange. Paste any JSON string — no matter how minified or messy — and instantly get a beautifully formatted, syntax-highlighted, human-readable output.
The tool validates your JSON as you type, showing clear error messages that identify exactly where the syntax error is (line number and column). This is far faster than hunting through raw JSON manually. You can also minify JSON to remove all whitespace for production use or API payloads, reducing the size of your data.
The tree view mode lets you explore nested JSON objects and arrays visually, collapse/expand nodes, and navigate complex data structures. This is particularly useful when working with deeply nested API responses or complex configuration objects.