JSON Formatter Tool

Professional JSON formatting and beautification tool supporting JSON string formatting, validation, and beautiful display. Provides syntax highlighting, smart indentation, fold/expand, error detection and other features. Supports complex nested structures, visualizes JSON data hierarchy, ideal for API development, data analysis, and configuration file editing.

🔒 Local Processing, Code Security! JSON formatting and beautification operations are completed entirely in your browser, JSON data is not uploaded to servers, ensuring your code, configurations, and sensitive data are absolutely safe.