CSV to Excel Converter – Free Online CSV/TSV to XLSX

✓ Conversor de CSV a Excel gratis en línea

Convert CSV or TSV text to Excel (.xlsx) files. Multi-sheet support, custom headers, auto column width. 100% browser-based.

• 📊 Multi-Sheet Support — Create multiple sheets from different CSV/TSV data in one Excel file.
• 📝 Custom Headers — Optionally treat the first row as headers with customizable styling.
• ❄️ Freeze First Row — Enable frozen header row for easy scrolling in Excel.
• 📏 Auto Column Width — Automatically adjusts column widths based on content.

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