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CSV & JSON to Excel (XLSX)

Create an Excel (.xlsx) file from CSV or JSON, with delimiter detection and accents kept. Runs in your browser.

AvailableIn your browserInput: Data

How to use: CSV & JSON to Excel (XLSX)

  1. Paste or load a CSV (or a JSON list of objects).
  2. Check the detected delimiter and whether numbers are converted.
  3. Create the .xlsx and download it.

What it accepts and what you get

Input
CSV or JSON up to 10 MB.
Output
An Excel .xlsx workbook with one sheet.
Where your data is processed
Your data is processed in your browser and is not sent to our servers.

Limitations and notes

  • Comma, semicolon, tab or pipe delimiters are detected.
  • No formulas or special cell formats are created.

Suggested next steps

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