CSV to Excel
Convert CSV files to Excel workbooks with proper formatting.
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CSV
Max 100MB per file · Up to 1 files
Supported Formats
CSV
Convert your CSV files to Excel (.xlsx) workbooks for free with Master Merge. Your data is properly formatted into columns and rows, ready for analysis. All processing happens locally in your browser using SheetJS.
1
Upload
Drag & drop or browse your files
2
Process
Files are processed in your browser
3
Download
Get your merged/converted file instantly