CSV to JSON Converter
Convert CSV (Comma-Separated Values) files to JSON format with support for custom delimiters, header row handling, and nested JSON structures. Perfect for data processing and API integration.
Features
Custom Delimiters
Support for comma, tab, semicolon, and custom delimiters with automatic detection.
Smart Header Handling
Automatic header detection and custom header mapping options for precise control.
Nested JSON Support
Convert complex CSV structures into nested JSON objects with dot notation support.
How It Works
1. Input Your CSV Data
Paste your CSV data or upload a CSV file. The converter automatically detects the delimiter and structure.
2. Configure Options
Customize delimiter, header handling, and output format options according to your needs.
3. Convert and Download
Click convert to see the JSON output. Download the result or copy it to your clipboard.
Frequently Asked Questions
What CSV formats are supported?
The converter supports standard CSV formats with various delimiters (comma, tab, semicolon) and handles quoted fields, escaped characters, and multi-line values.
How are headers handled?
Headers can be automatically detected from the first row or manually specified. You can also provide custom header mappings for the output JSON.
Is there a size limit?
The converter can handle large CSV files efficiently. For optimal performance, very large files (>10MB) are processed in chunks.
Tips for Best Results
- Ensure your CSV data is properly formatted with consistent delimiters
- Use quotes around fields containing delimiters or line breaks
- Check header names for valid JSON property names
- Consider using nested JSON for hierarchical data
- Validate the output JSON using the preview feature