Free online converter

CSV to JSON Converter

Turn spreadsheet-style CSV data into readable JSON without uploading business data.

Processed locallyYour files stay on your device.
Drop a file hereor click to choose a fileMaximum total size: 500 MB · processed locally
No file upload · no account · no watermark
Simple, private conversion

How to use the CSV to JSON converter

  1. Choose your file.

    Drop a compatible file into the converter above or select it from your device.

  2. Adjust your options.

    Choose quality, dimensions or page settings when those controls apply.

  3. Convert locally.

    Your browser creates the real JSON result without uploading the source.

  4. Download the result.

    Save the converted file immediately. Batch results are packaged as a ZIP.

Frequently asked questions

About CSV to JSON

How do I convert CSV to JSON?

Choose or drop your CSV file, adjust the available options, select Convert, then download the real JSON result.

Are my files uploaded?

Yes. The conversion runs directly in your browser, so your files are never uploaded to FileZivo.

Is FileZivo free?

Yes. FileZivo is free to use, requires no account and adds no watermark.

Are quoted CSV values supported?

Yes. The parser handles quoted commas, escaped quotes, line breaks and empty cells.