CSV to JSON Converter

Convert spreadsheets into clean JSON with delimiter controls, previews, and zero server uploads.

Delimiter

First row is header

Trim whitespace

Skip empty lines

Upload

Converted JSON will appear here

Enter CSV data and click Convert

Support for comma, semicolon, tab, and pipe delimiters. Automatically detect and parse your CSV format.

Automatically use the first row as headers or generate generic column names for data without headers.

See a formatted table preview of your converted data to verify results before downloading.