CSV Converter
FreeConvert spreadsheet data between CSV and JSON. Handles quoted fields, embedded commas and line breaks correctly.
How to use CSV Converter
- 1Choose the direction: CSV to JSON, or JSON to CSV.
- 2Paste your data.
- 3Copy or download the converted output.
Private by design. This tool runs in your browser. Nothing you enter or add is uploaded.
Frequently asked questions
How is the first CSV row treated?
As column headers. Each following row becomes a JSON object that uses those headers as keys.
What JSON can be converted to CSV?
An array of flat objects. Columns are taken from every key found, and nested values are written as JSON text.
Related tools
- Free
PDF Merger
Combine several PDF files into one document, in the order you choose.
PDF & DocumentsOpen - Free
Compress PDF
Reduce PDF file size while keeping text sharp, right in your browser.
PDF & DocumentsOpen - Free
PDF to JPG
Turn PDF pages into sharp JPG, PNG or WebP images, one page or all at once.
PDF & DocumentsOpen - Free
Image Compressor
Shrink image file size with a quality slider and a live size comparison.
Image & DesignOpen