CSV to JSON Converter

Convert CSV data to JSON format instantly in your browser. All processing happens locally - your data never leaves your device.

For more data workflows, check out ConvertFast for lightning-fast image format converter.

Conversion Options

Customize how your data is converted

Delimiter

First Row

Output Format

CSV Input

Drop file or click to upload

CSV files only

Maximum file size: 10MB

Ctrl+Enter to convert

Ctrl+C to copy output

JSON Output

Disclaimer: This tool is provided as-is for convenience. While we strive for accuracy, please verify the output for critical data. All conversion happens in your browser - no data is sent to our servers.