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JSON Formatter & Validator

Format, validate, and beautify your JSON with syntax highlighting and detailed error reporting.

Drag & drop files here

or click to browse

Supported formats: .json, .xml, .yaml, .yml, .csv, .txt

Max file size: 5MB

Indentation:

JSON Input0 characters

Formatted Output

How to use:

• Paste or type your JSON in the input field
• Choose your preferred indentation level (2, 4, or 8 spaces)
• Click "Format JSON" to validate and format your JSON
• Copy the result or download as a .json file
• The tool will highlight any syntax errors with line numbers