CSV to JSON

Convert CSV data to JSON format

All processing happens in your browser. No data is uploaded.

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File Input

File Output

CSV to JSON (Documents)

Upload a CSV file and convert it to a JSON array with automatic type detection.

🔒All processing happens in your browser. No data is uploaded.

CSV Input

Paste CSV data here or upload a .csv file...

Pretty Print

How to Use

Upload a CSV file or paste CSV data to convert it to a JSON array. The first row is used as object keys. Automatic type detection converts numbers and booleans from string values. Download the result as a .json file.