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Convert XLSX to CSV

Convert XLSX (.xlsx) to CSV (.csv) online for free. Fast, accurate geospatial format conversion with CRS reprojection.

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Upload your XLSX file and get CSV output in seconds.

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About XLSX

XLSX is the Microsoft Excel Open XML spreadsheet format. When it contains coordinate columns, it can be used as a source for geographic point data.

Extensions: .xlsx

Software: Microsoft Excel, Google Sheets, LibreOffice Calc, QGIS, Python/openpyxl

Limitations: No built-in geometry type — requires coordinate columns. No CRS metadata. Limited to tabular point data.

About CSV

Comma-Separated Values (CSV) files store tabular data with coordinate columns (latitude/longitude or WKT geometry). A simple, universal format supported by virtually all data tools.

Extensions: .csv

Software: Excel, Google Sheets, QGIS, Python/Pandas, R

Limitations: No built-in geometry type — requires coordinate columns. No CRS metadata. No support for complex geometries without WKT.

How to Convert XLSX to CSV

Upload your XLSX file (.xlsx)
Review detected layers, features, and coordinate system
Select CSV as your output format
Choose a target coordinate reference system (optional)
Click Convert and download your CSV file

Frequently Asked Questions

How do I convert XLSX to CSV?

Upload your XLSX file to ConvertGeoData, review the detected data, select CSV as the output format, and click Convert. Your converted file will be ready to download in seconds.

Is the XLSX to CSV conversion free?

Yes! ConvertGeoData offers free conversions for all users. No account required for basic conversions. Sign up for a Pro or Business plan for higher limits.

Can I change the coordinate system during conversion?

Yes. ConvertGeoData automatically detects your source CRS and lets you reproject to any EPSG coordinate reference system during conversion.

What software can open CSV files?

CSV files can be opened with Excel, Google Sheets, QGIS, Python/Pandas and more.