How does it handle complex CSVs?

We follow standard CSV parsing rules, including support for quoted values and multiline fields.

Will it preserve data types?

Yes, numbers and dates are automatically detected and formatted correctly in the resulting Excel file.

Is there a row limit?

You can convert CSV files with up to 50,000 rows and 200 columns while keeping browser memory use predictable.

CSV to Excel

Import CSV data into formatted Excel workbooks.

Free No Signup 100% Private No Watermark

Tap to select or drop files here

Processed 100% locally in your browser

Up to 50 MB per file and 200 MB per batch

CSV

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How to Use CSV to Excel in 3 Easy Steps

Fast, local, and completely free with no software installation required.

Select or Drop Your File

Choose or drag-and-drop your file into the secure workspace directly from your device.

Customize Settings & Process

Adjust desired quality, options, or target formatting in real-time with instant browser processing.

Download Your Finished File

Save your optimized, watermark-free result immediately with zero server uploads or tracking.

About CSV to Excel

Import your CSV data into a fully formatted Excel workbook (.xlsx). This tool handles commas, quotes, and newlines correctly, creating a clean spreadsheet that's ready for filtering, analysis, and presentation. Everything happens in your browser for maximum privacy.

All file conversions, resizing, and processing take place directly in your browser using modern WebAssembly and HTML5 Canvas technologies. No data is stored, tracked, or sent across external networks.