CSV to Excel (XLSX) Converter

Convert any CSV or TSV (tab-delimited) file into a styled Microsoft Excel (.xlsx) workbook. Features automatic delimiter detection, live table preview, and instant client-side conversion with zero server limits.

🔒 Privacy & Security Guarantee: Your files are processed securely on our server and automatically purged 1 hour after processing.

Upload CSV / TSV File

Click to browse or drag & drop CSV file

Supports .csv, .tsv, .txt (up to 50MB)

Workbook Settings

Delimiter

Sheet Name

First row contains column headers (Freeze header)

Auto-fit column widths based on contents

Or Paste CSV / Tabular Data Directly:

Convert CSV and TSV spreadsheets to styled Microsoft Excel .xlsx workbooks.