CSV ↔ JSON Converter

Convert between CSV and JSON formats with customizable options

Click to upload or drag and drop

CSV, JSON files (max 50MB)

💡 Tips

  • Choose between uploading a file or pasting text directly for quick conversions
  • Select "Show preview" to view the converted data before downloading
  • Use the copy button in preview mode to copy results to clipboard
  • CSV files with headers will create JSON objects with property names from the first row
  • JSON arrays will be converted to CSV rows with optional headers
  • The converter automatically detects your input format and suggests the opposite conversion
  • Use semicolon (;) delimiter for better Excel compatibility in some regions
  • Tab delimiter (\t) is useful for TSV (Tab-Separated Values) files
  • Text input supports up to 1MB of data for quick conversions
Privacy Notice:

Processing is ephemeral. Your files are handled in-memory and never stored or retained on the server. They are discarded immediately after the operation finishes.