JSON CSV is an online tool that allows users to convert data between JSON (JavaScript Object Notation) and CSV (Comma-Separated Values) formats. The website, accessible at http://json-csv.com, provides a straightforward and user-friendly interface for performing these conversions, accommodating various use cases such as data analysis, integration, and processing. The tool is designed to handle both simple and complex data structures, providing flexibility for users who need to work with different data formats efficiently.