FILE CONVERSION

CSV / JSON Converter

Convert CSV tables and JSON arrays of objects. Paste data or open a local file.

Your input stays in this tab. This tool does not upload your text or files.

ConversionCSV separatorOpen a file

CSV input · first row is the header

Output

CSV values become JSON strings, preserving leading zeroes. JSON conversion uses JavaScript numbers; nested values are stored as JSON text in a CSV cell. Maximum input: 5 MB.