CSV To Excel Converter
Turn CSV or TSV data into a real .xlsx workbook in your browser — nothing uploads.
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What Is the CSV To Excel Converter?
The CSV To Excel Converter parses comma, semicolon, tab or pipe separated data — including quoted fields, embedded commas and multi-line cells — and writes a genuine OOXML .xlsx workbook. Numeric cells become real Excel numbers so sorting and formulas work immediately.
How It Works
Paste CSV or load a file, confirm the auto-detected delimiter, check the preview and download the workbook.
When to Use It
Use it to hand exported data to Excel users, prepare reports, or fix files that open as one column in Excel because of delimiter mismatches.
Frequently Asked Questions
- Is My Data Uploaded?
- No. Parsing and workbook assembly run entirely in your browser.
- How Large A File Can It Handle?
- Tens of thousands of rows convert comfortably; very large exports are limited only by browser memory.
Found an issue? Send Feedback. See our data sources and update policy for tools that depend on changing information.
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