CSV ⇄ JSON Converter
Convert between CSV and JSON in your browser. Handles quoted fields and commas.
About CSV and JSON
CSV is a plain text format with delimited fields, while JSON is a structured data format. This tool converts between them entirely in your browser.
About this CSV to JSON Converter
Convert CSV to JSON and JSON to CSV in your browser with support for custom delimiters and quote handling. Our CSV/JSON converter handles complex CSV files with quotes, escaped characters, and various delimiters. Perfect for data transformation, API integration, data migration, or converting between spreadsheet and JSON formats. The tool supports bidirectional conversion and preserves data structure accurately.
Key Features
Convert CSV to JSON format
Convert JSON to CSV format
Support for custom delimiters (comma, semicolon, tab, etc.)
Handle quoted fields and escaped characters
Preserve data structure and types
Real-time conversion preview
Download converted files
Works entirely in your browser for privacy
How to Use
Select conversion direction (CSV to JSON or JSON to CSV)
Paste or upload your CSV or JSON data
Configure delimiter if needed (comma, semicolon, tab)
Set quote handling options
Click 'Convert' to process the data
Preview the converted output
Download or copy the converted data
Use the converted data in your application
Popular Use Cases
Convert spreadsheet data to JSON for APIs
Transform JSON data to CSV for Excel
Migrate data between systems
Prepare data for database import
Convert data for web applications
Transform data for analysis tools
Convert export files between formats
Prepare data for reporting and visualization
Tips & Best Practices
Use appropriate delimiters for your CSV format
Handle quoted fields correctly to preserve data
Check data structure after conversion
Verify that all data converted correctly
Use for data migration and transformation
Test with sample data first
Ensure proper encoding for special characters
Frequently Asked Questions
What delimiters are supported?
The tool supports common delimiters including comma (,), semicolon (;), tab, pipe (|), and custom delimiters. Select the appropriate delimiter for your CSV format.
How are quoted fields handled?
The tool properly handles quoted fields in CSV, preserving text that contains delimiters or special characters. Quoted fields are correctly parsed and converted.
Can I convert large files?
The tool works best with reasonably sized files. Very large files may take longer to process or may need to be split into smaller chunks.
Does it preserve data types?
The tool attempts to preserve data types where possible. Numbers, strings, and other types are converted appropriately, though some type inference may occur.