JSON to CSV Converter
Convert JSON to CSV or CSV to JSON. Bidirectional data converter with custom delimiter support for spreadsheet import and export.
How to Use JSON ↔ CSV Converter
- Choose your conversion mode (JSON to CSV or CSV to JSON)
- Paste your JSON array or CSV data into the input field
- Select the delimiter for CSV data
- Click Convert to process your data
- Copy or download the converted result
Features
- Bidirectional Conversion - Convert JSON to CSV or CSV to JSON with a single tool
- Custom Delimiters - Support for comma, semicolon, and tab delimiters
- Nested Object Handling - Flattens nested JSON objects for CSV output
- Auto-detection - Automatically detects data structure and headers
- Size Statistics - Shows output size and row/record count
JSON to CSV Conversion
- Converts JSON arrays of objects to CSV format
- Extracts keys as column headers automatically
- Handles nested objects by flattening them
- Preserves data types where possible
- Properly escapes special characters and quotes
CSV to JSON Conversion
- Parses CSV data into JSON array of objects
- Uses first row as property names
- Handles quoted values with embedded delimiters
- Supports multiple delimiter types
- Outputs properly formatted JSON
Common Use Cases
- Importing spreadsheet data into web applications
- Exporting database records to CSV for analysis
- Converting API response data for spreadsheet tools
- Preparing data for data visualization libraries
- Migrating data between different systems
- Works entirely in your browser - no data is sent to any server