JSON to CSV Converter

How to Convert JSON to CSV with FreeToolPoint

1. Paste your JSON array — Copy your JSON data and paste it into the input field. The input must be a JSON array of objects, such as data exported from an API, database, or other JSON source. Each object in the array becomes a row in the CSV output.
2. Click Convert to CSV — The tool parses your JSON, extracts all unique property names as column headers, and generates a properly formatted CSV output. Nested objects are automatically flattened using dot notation (for example, address.city).
3. Review the results — The CSV output appears in the output area with a status message showing the number of rows and columns converted. Check that the headers and data look correct before copying or downloading.
4. Copy or download — Click Copy CSV to copy the output to your clipboard, or Download CSV to save it as a .csv file. The CSV file can be opened in Excel, Google Sheets, LibreOffice Calc, or any spreadsheet application.

Why Use Our JSON to CSV Converter

• Automatic nested object flattening — Nested JSON objects are automatically flattened using dot notation. An object like {"address": {"city": "NYC"}} becomes a column header "address.city" with the value "NYC". This handles multi-level nesting without losing any data.
• Proper CSV escaping — Values containing commas, double quotes, or newlines are automatically wrapped in quotes and properly escaped following the RFC 4180 CSV specification. This ensures your CSV file opens correctly in all spreadsheet applications.
• Dynamic column detection — The tool scans all objects in your array to build a complete set of column headers. If some objects have properties that others lack, those columns simply appear empty for the objects that do not include them.
• Instant browser-side conversion — All parsing and conversion happens in your browser. No data is uploaded to any server. This makes the tool safe for converting sensitive API responses, database exports, or any confidential JSON data.

Working with JSON and CSV Data

JSON and CSV are two of the most common data interchange formats, each with distinct strengths. JSON excels at representing hierarchical and nested data structures, making it the standard for API responses and NoSQL databases. CSV is a flat, tabular format that integrates seamlessly with spreadsheet software, database imports, and data analysis tools.

Converting JSON to CSV is a common task when you need to analyze API data in a spreadsheet, create reports from database exports, import JSON-sourced data into a relational database, or share data with team members who prefer working in Excel or Google Sheets. The key challenge in this conversion is handling nested objects, which this tool solves with automatic dot-notation flattening.

For best results, ensure your JSON input is a valid array of objects with consistent structure. While the tool handles objects with varying properties, consistent data structures produce the cleanest CSV output. If your JSON has deeply nested objects or arrays within arrays, consider restructuring the data before conversion for the most useful tabular output.