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Convert CSV Files to JSON Format

Upload CSV File

Max 50MB • CSV, TSV, TXT

100% free and secure – your files are processed instantly and deleted automatically.

How to Convert CSV to JSON

1

Upload CSV File

Click upload area or drag & drop your CSV, TSV, or text file

2

Choose JSON Format

Select output format and indentation for your JSON

3

Process & Convert

Convert CSV to JSON with proper formatting in seconds

4

Download JSON

Get your JSON file ready for web applications or APIs

Why Choose Our CSV to JSON Converter?

Multiple Formats

Support for various JSON output formats including array of objects

100% Secure

Your files are processed securely and deleted automatically after conversion

Smart Detection

Automatically detects CSV delimiters and encoding for perfect conversion

Lightning Fast

Convert large CSV files to JSON in seconds with our optimized engine

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Free Online CSV to JSON Converter

Convert your CSV data to JSON format quickly and easily with our free online tool. Perfect for web developers, API integration, or data processing workflows. Our converter handles various CSV formats with automatic delimiter detection and offers multiple JSON output options.

Key Features

  • Multiple JSON Formats - Choose from array of objects, split, index, columns, or values formats
  • Automatic Detection - Smart detection of CSV delimiters and file encoding
  • Large File Support - Process CSV files up to 50MB efficiently
  • Customizable Output - Select indentation level and JSON structure
  • No Software Needed - Works directly in your browser

Perfect For Web Development

Ideal for web developers needing to convert spreadsheet data for use in JavaScript applications, APIs, or data visualization libraries. Convert customer data, product catalogs, survey results, and more to JSON format.

Frequently Asked Questions

We support multiple formats: array of objects (most common), split, index, columns, and values formats.

Yes, our tool supports various encodings including UTF-8 for international characters.

"Array of objects" creates [{},{}] structure, while other formats organize data differently for specific use cases.

The JSON is automatically downloaded, but you can open it in any text editor to preview the structure.