CSV ↔ Excel Converter

Convert between CSV and Excel files easily. Preview your data before conversion and download the result.

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Supported formats: CSV, Excel (.xlsx, .xls)

About CSV ↔ Excel Conversion:

Automatically detects input format and sets appropriate output format
Preserves data types and formatting when possible
Preview data before conversion to ensure accuracy
Handles large files efficiently
Supports both modern Excel (.xlsx) and legacy Excel (.xls) formats
Downloads converted file automatically