How to Convert CSV to JSON Online Free
Our CSV to JSON converter allows you to transform comma-separated value files into JSON format instantly. Whether you're working with spreadsheet data, database exports, or any tabular data, our tool provides flexible parsing options and customizable output formats to meet your specific needs.
Advanced CSV Parsing Features
Flexible Delimiters
Support for multiple delimiter types including comma, semicolon, tab, pipe, and space. Perfect for handling CSV files from different sources and regions.
Quote Handling
Proper handling of quoted fields, escape characters, and embedded commas. Ensures accurate parsing of complex CSV data with special characters.
Header Detection
Automatic header row detection with option to use first row as column names. Generates clean JSON objects with meaningful property names.
Error Validation
Comprehensive error detection and reporting with row and column information. Identifies parsing issues and data inconsistencies for easy troubleshooting.
JSON Output Customization
Choose between array of arrays format for compact data representation or array of objects format for self-documenting JSON. Control formatting with pretty-print options, custom indentation, and file size optimization. Perfect for API integration, data analysis, and web development projects.
Why Choose Our CSV to JSON Converter?
- 100% Client-Side Processing: All conversions happen in your browser for maximum privacy and security
- Large File Support: Handle CSV files up to 10MB with efficient memory management
- Multiple Export Options: Copy to clipboard or download as JSON file with proper formatting
- Real-time Statistics: View conversion metrics including row count, file size, and processing time
- Preset Configurations: Quick setup with common CSV formats including Excel and tab-separated files
- Conversion History: Track recent conversions and reuse successful configurations
Frequently Asked Questions
What file formats are supported?
Our converter supports CSV files, TXT files with delimited data, and direct text input. You can paste data directly or upload files from your computer.
How large can my CSV file be?
The tool can handle files up to 10MB. For larger files, consider splitting them into smaller chunks or using server-side processing tools for optimal performance.
Is my data secure during conversion?
Yes, absolutely! All processing happens entirely in your browser. No data is ever sent to our servers, ensuring complete privacy and security of your sensitive information.
Can I handle CSV files with special characters?
Yes, our parser properly handles quoted fields, escaped characters, and international text. It supports various encoding formats and special characters commonly found in CSV data.
What's the difference between array and object format?
Array format creates a JSON array of arrays (compact), while object format creates an array of objects with named properties (self-documenting). Choose based on your intended use case.
Can I customize the parsing behavior?
Yes! You can customize delimiters, quote characters, header detection, whitespace trimming, and empty line handling. We also provide preset configurations for common formats.