Are numbers and booleans parsed correctly?

Yes, type inference converts numeric strings to numbers and 'true'/'false' strings to boolean values in the JSON output.

Yes, this tool is 100% free to use.

Yes, files are processed securely and deleted automatically.

CSV to JSON

Convert CSV spreadsheet data to JSON format for APIs and JavaScript applications.

Secure & Private

Fast Processing

No Installation Required

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Upload your .csv file.

Click 'Convert' — headers become keys, rows become JSON objects.

Download or copy the JSON output.

Header-to-Key Mapping

Type Inference (numbers, booleans)

Custom Delimiter Support

Secure & Private

Try our AI-powered chat interface for multi-step document workflows and batch processing.