Convert CSV files to properly formatted Excel (.xlsx) spreadsheets in your browser. Column types are preserved correctly. No spreadsheet application required.
Open CSV to Excel → free, no sign-inCSV files are portable but plain — no formatting, no column width control, no Excel-specific features. Converting to a properly formatted .xlsx file opens up all of that. CSV to Excel does the conversion in the browser: upload your CSV, get an Excel spreadsheet back with data preserved correctly, ready for further formatting or distribution.
Anyone who needs to share data as an Excel file — for clients who prefer it, for internal systems that require .xlsx, or just to take advantage of Excel's formatting and function capabilities.
No tutorials. No learning curve. Open it and get started.
No server uploads. Column types are inferred correctly — numbers stay as numbers, dates as dates, rather than everything becoming text strings.
Completely free. No trial period. No premium tier for basic functionality. No account required. Use it as often as you need.
One job, done well. CSV to Excel was built to solve a specific problem cleanly. No feature bloat, no ads, no distractions.
Will numbers be stored as numbers or text?
Numeric columns are stored as number type in Excel — not as text strings.
Does it create multiple sheets?
Single-sheet output with all CSV data.
Is formatting applied?
Header row formatting is applied — bold headers and auto-width columns.
Can I convert back from Excel to CSV?
Use the CSV Viewer & Editor or any other tool that exports CSV.
Is my file uploaded?
No — conversion runs locally.
Free. Instant. No sign-in. Open it and get the job done.
Open CSV to Excel on Doathingy.com →