CSV ⇄ JSON Converter
Convert between CSV and JSON formats instantly with our powerful data conversion tool
Start ConvertingData Converter
Convert your data between CSV and JSON formats with advanced options and real-time validation
CSV Input
JSON Output
Powerful Data Conversion Features
Everything you need for professional data conversion between CSV and JSON formats
Bidirectional Conversion
Convert from CSV to JSON and JSON to CSV with full data integrity
Advanced Options
Custom delimiters, header handling, and formatting preferences
Data Validation
Real-time validation with detailed error reporting
Export & Download
Download converted data or copy to clipboard instantly
Lightning Fast
Process large files instantly with optimized algorithms
Privacy Focused
All processing happens locally - your data never leaves your browser
Flexible Formatting
Multiple output formats and customizable indentation options
Detailed Statistics
Get insights about your data with conversion statistics
Perfect for Every Data Workflow
From developers to data analysts, our converter streamlines your data transformation needs
API Development
Convert CSV datasets to JSON for API responses and testing
Data Analysis
Transform JSON data to CSV for spreadsheet analysis and reporting
Database Migration
Prepare data for database imports or exports between systems
Reporting Tools
Generate reports and visualizations from converted data formats
Frequently Asked Questions
What file formats are supported?
Our converter supports CSV (.csv), JSON (.json), and plain text (.txt) files. You can upload files directly or paste your data into the input field.
Is my data secure?
Yes, absolutely! All conversion happens locally in your browser. Your data never leaves your device or gets sent to our servers.
Can I handle large files?
The converter can handle large files efficiently, though performance may vary depending on your device's capabilities and browser memory limits.
What delimiter options are available?
You can choose from comma (,), semicolon (;), tab, and pipe (|) delimiters. The converter also supports custom header handling and empty line management.
How do I handle nested JSON objects?
When converting JSON to CSV, you can choose to flatten nested objects or include array indices for better CSV compatibility.