Convert XLSX to CSV on Mac
Convert XLSX files to CSV format on your Mac with Jollycat. Excel spreadsheet format with formulas, charts, and multiple sheets. All processing runs locally on your Mac — no cloud processing and no uploads required for conversion.
XLSX vs CSV
| Property | XLSX | CSV |
|---|---|---|
| Type | document | document |
| Compression | ZIP-compressed XML | Plain text |
| File Extension | .xlsx | .csv |
| Key Advantage | Industry standard spreadsheet | Universal data format |
How to Convert XLSX to CSV on Mac
Open your XLSX file
Drag and drop your .xlsx file onto the Jollycat icon in your macOS dock or menu bar. Jollycat instantly detects the format.
Choose CSV output
Select CSV from the available output formats. Configure any format-specific options.
Convert and save
Click Convert and Jollycat processes the file instantly on your Mac. No uploads required, no waiting — everything runs locally on Apple Silicon.
When to Convert XLSX to CSV
CSV advantages
Universal data format. Tiny file sizes.
XLSX limitations
Requires Excel. Complex format.
Common use cases
Data export, Database import, Spreadsheet interchange.
XLSX to CSV Conversion Tips
CSV stores tabular data as comma-delimited plain text. No standard encoding — watch for UTF-8 vs Latin-1.
Frequently Asked Questions
Is the XLSX to CSV conversion free?
Jollycat is a one-time purchase for $9.99. Once purchased, you can convert XLSX to CSV and use all 1,650+ conversion paths with no limits.
Does converting XLSX to CSV require an internet connection?
No. Jollycat processes everything locally on your Mac. Your XLSX files never leave your device — all conversion happens offline using Apple Silicon.
Can I batch convert multiple XLSX files to CSV?
Yes. Drag multiple XLSX files onto Jollycat and convert them all to CSV at once. Batch processing is built in.
Ready to Convert XLSX to CSV?
Jollycat handles XLSX to CSV conversion and 1,650+ other format conversions. All offline on your Mac.
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