CSV Converter Online Free: CSV to JSON, JSON to CSV, XML

Spreadsheet data on one side, an API or app on the other, and a format mismatch in the middle. The PDFFlowState CSV Converter converts between CSV, JSON and XML in your browser, for free, with no account.

Open the CSV Converter

What does CSV Converter do?

CSV Converter converts between CSV, JSON and XML. That covers a long list of searches:

  • CSV to JSON and CSV to JSON converter
  • JSON to CSV and JSON to CSV converter
  • CSV to XML and convert CSV to XML
  • XML to CSV and convert XML to CSV

What are CSV, JSON and XML?

  • CSV (comma-separated values) stores rows and columns as plain text, and opens in spreadsheet apps.
  • JSON stores structured data as keys and values, and is the standard for web APIs.
  • XML stores structured data in tags, and is common in older systems and feeds.

How to convert CSV to JSON (or the reverse)

  1. Open the tool. Go to CSV Converter. It works on phone and desktop.
  2. Add your data. Paste or add the CSV, JSON or XML.
  3. Pick the output format. Choose CSV, JSON or XML.
  4. Convert and copy. Use the result in your project.

No sign-up is needed, so it works as a CSV converter free option.

When is it useful?

  • Preparing spreadsheet data for an API by turning CSV into JSON.
  • Opening API data in a spreadsheet by turning JSON into CSV.
  • Moving data into XML-based systems.
  • Quick data cleanup without writing a script.

Tips

  • Check the first row. In CSV, headers usually become the keys in JSON.
  • Validate the JSON with JSON Validator, and make it readable with JSON Formatter.
  • Watch for commas inside values. Wrap them in quotes in the CSV.

Frequently asked questions

Is the CSV converter free? Yes. It is free and needs no sign-up.

Can I convert CSV to Excel or Excel to CSV? Not with this tool. It converts between CSV, JSON and XML. Spreadsheet apps such as Excel can open CSV files directly and save them in other formats.

Can I convert PDF to CSV? Not directly. If your data is in a PDF, Extract PDF Text can pull out the text, which you can then tidy up.

Can I convert text files, bank statements or QuickBooks files? Those formats are not supported at the moment.

Can I convert CSV to PDF? Not at the moment.

Can I convert large files? Very large files may be slow or fail in a browser. For big data sets, a script is more reliable.

Convert your data now

Try the free CSV Converter or browse all the developer tools on PDFFlowState.