What are the JSON keys based on?

The first row of the CSV — each column header becomes a field name.

CSV to JSON

CSV to JSON converts a CSV file into a JSON array of objects, using the first row as field names.

Click to upload a fileor drag and drop

Convert a JSON array of objects into a CSV file.

Convert a CSV file into an Excel workbook.

Combine multiple PDF files into one document.

Split a PDF into individual single-page files.