CSV to Excel Converter
Turn CSV into a proper Excel (.xlsx) file in one click. Leading zeros, phone numbers and long IDs stay exactly as written — no more 1.23E+15.
Preview
Your table preview appears here.
Excel settings
Runs in your browser — your data is never uploaded. Tip: drop a file on the input box.
How to Convert CSV to Excel
Get a clean .xlsx file from CSV data in three steps.
Paste or Upload CSV
Paste CSV text, upload a .csv file or drop it in the box. Check the table preview.
Adjust Settings
The separator is detected automatically. Set the sheet and file name, filters and column widths.
Download Excel
Click Download Excel to save the .xlsx file and open it in Excel, Google Sheets or Numbers.
Output
Real .xlsx file
Keeps
Leading zeros & long IDs
Separator
Auto-detected
Preview
See the table first
Privacy
Runs in your browser
Price
100% free
Why Not Just Open the CSV in Excel?
Excel changes some values when it opens a CSV file. This converter keeps them safe.
| Value in CSV | Opened directly in Excel | With this converter |
|---|---|---|
00125 | 125 (zeros lost) | 00125 |
+91 98765 43210 | Formula error or changed | +91 98765 43210 |
8613812345678901 | 8.61381E+15 | 8613812345678901 |
1499.50 | 1499.5 (number) | 1499.5 (number you can sum) |
| Semicolon-separated file | Everything in column A | Split into columns |
| Hindi, Arabic, Chinese text | Garbled characters | Shown correctly |
What Can You Use It For?
Popular ways people use CSV to Excel Converter.
Store & Order Exports
Turn Shopify, Amazon or WooCommerce CSV exports into Excel.
Bank Statements
Convert CSV statements while keeping account numbers intact.
Contact Lists
Keep phone numbers and zip codes exactly as they are.
Reports
Share data as a tidy Excel file with filters and column widths.
Tips for the Best Result
- Leading zeros, phone numbers and IDs longer than 15 digits are always stored as text, so nothing gets rounded.
- If all data is in one column in the preview, pick the separator by hand.
- Need the opposite? Use Excel to CSV.
- Working with JSON data? Convert it first with JSON to CSV.
Frequently Asked Questions
Quick answers about CSV to Excel Converter.
Paste your CSV or upload the file, check the preview, then click Download Excel. You get a real .xlsx file.
Yes. Values like 00125, phone numbers with + and IDs longer than 15 digits are stored as text, so Excel shows them exactly as written.
Comma, semicolon, tab and pipe. Auto-detect works for most files.
Yes — a modern .xlsx workbook that opens in Microsoft Excel, Google Sheets, LibreOffice and Apple Numbers.
Yes. Files with tens of thousands of rows work well; very large files depend on your device's memory.
Yes, when Store numbers as numbers is ticked, so you can sum and sort them. Untick it to keep everything as text.
No. The Excel file is created in your browser, so your data never leaves your device.
Yes — 100% free, with no sign-up and no limits.
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