CSV ⇄ JSON Converter

Convert between CSV and JSON formats instantly with our powerful data conversion tool

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Data Converter

Convert your data between CSV and JSON formats with advanced options and real-time validation

CSV Input

0 chars

JSON Output

0 chars

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.