CSV → Excel
Paste or upload CSV/TSV and get an Excel (.xlsx) file — your data never leaves the browser
1. Paste data
Comma, tab, and semicolon delimiters are detected automatically. Pasting a table copied from Excel works too.
3. Convert
Paste CSV/TSV data or upload a file and get an Excel (.xlsx) workbook. Delimiters (comma, tab, semicolon) are detected automatically; numbers become numeric cells and the first row becomes a bold header, so the sheet is ready to use. Nothing is sent to a server.
What you can do
- ✓Automatic delimiter detection (comma, tab, semicolon)
- ✓Handles quoted fields and line breaks inside fields
- ✓Auto numeric cells, bold header, auto column widths
- ✓Preview table before converting
How to use
- 1Paste CSV or upload a file
- 2Check rows and columns in the preview
- 3Click Create Excel and download
Supported formats · CSV·TSV → XLSX
Convert CSV or TSV data into an Excel (.xlsx) file right away. Paste your text or drop a file, and it shows a table preview before building an .xlsx that opens straight in Excel. The conversion runs inside your browser with no server.
How to use it
- 1Paste your CSV or TSV text, or drop a .csv or .tsv file.
- 2Check the rows and columns in the table preview.
- 3Download it as an Excel (.xlsx) file.
When it comes in handy
For example, it helps when you've downloaded an order-history CSV from a shop or database and want to total it in Excel.
It is also handy for turning comma-separated table data pasted from a text file into a tidy Excel sheet.
Pasting is enough
Even without a file, paste CSV or TSV text and it shows a table preview and converts right away. No install or sign-in needed.
Opens straight in Excel
For example, the .xlsx it makes opens directly in Excel or Google Sheets, so you can sort and run formulas right there.
Frequently asked questions
Are files uploaded to a server?+
No. The conversion runs inside your browser, so your data never leaves your device.
Does it support TSV (tab-separated)?+
Yes. Both CSV and TSV can be converted.
Can I just paste instead of uploading a file?+
Yes. Paste CSV or TSV text to preview it as a table and convert.
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