JSON Formatter
Text & HTML ToolsFormat, indent, validate, and beautify JSON data with live syntax highlighting.
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JSON Formatter
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About JSON Formatter
Format, beautify, and indent raw JSON payloads with customizable 2-space, 4-space, or tab indentation. Transform minified API responses and configuration files into clean, readable code.
View key capabilities & tips
Key capabilities:
- Configurable indentation spacing (2 spaces, 4 spaces, or tabs)
- Syntax error detection identifies misplaced commas, unclosed brackets, and illegal quotes
- One-click clipboard copy and direct `.json` file download
- Runs 100% locally in browser memory to keep API keys and proprietary schemas private
Tips:
- If formatting fails, check the error message for the exact line and column of the syntax defect.
- Use 2-space indentation for web standards and 4-space indentation for backend system configuration.
- Click the Copy button to quickly transfer formatted JSON directly into your code editor.