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JSON Formatter
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Format and beautify JSON data with proper indentation and syntax highlighting.
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A powerful free JSON Formatter for developers. format, beautify, and validate JSON data with syntax highlighting directly in your browser with zero setup required. Supports common formats and standards used in modern web development.
How to Use JSON Formatter
Paste your code or data in the input field, paste your JSON and select indentation level. Output is formatted and ready to copy.
Features
- ✓ Auto-indentation
- ✓ Syntax highlighting
- ✓ Error detection with line numbers
- ✓ Collapsible tree view
- ✓ Minify option
Use Cases
- → Frontend development
- → Backend debugging
- → Code review
- → Data transformation
Frequently Asked Questions
Yes, the formatter can handle JSON files up to several megabytes directly in your browser.
Yes, it automatically validates your JSON and highlights any syntax errors with line numbers.
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