How to Convert XLS to CSV on Mac: 3 Easy Methods (2025)
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Why Convert XLS to CSV on Mac? (And When to Do It)
CSV (Comma-Separated Values) is the most universally accepted format for data exchange. Whether you’re importing contacts into Mailchimp, uploading products to Shopify, or analyzing data in Python/R, CSV is the go-to format. If you’re a Mac user, you have several reliable ways to convert XLS to CSV on Mac without losing data integrity.
Unlike XLS/XLSX files, CSV files are plain text, making them compatible with virtually every database, CRM, and analytics platform. In this guide, I’ll show you 3 easy methods to convert XLS to CSV on Mac – from free built-in tools to professional software and online converters.
Method 1: Convert XLS to CSV Using Apple Numbers (Free, Built-in)
Every Mac comes with Apple Numbers – a powerful spreadsheet app that can open Excel files and export them as CSV. No additional purchase or installation required.
Step-by-Step Instructions:
- Open your XLS/XLSX file in Apple Numbers (right-click → Open With → Numbers).
- Review your data – ensure all columns and rows look correct.
- Go to File → Export To → CSV from the top menu bar.
- In the export window, choose your encoding (UTF-8 is recommended for international characters).
- Click Next, name your file, choose a save location, and click Export.
✅ Pros
- 100% free (no subscription)
- No internet required
- Preserves data accuracy
- Supports UTF-8 encoding
❌ Cons
- Only exports the active sheet
- Formulas are replaced with calculated values
- Not ideal for batch conversion
Method 2: Convert XLS to CSV Using Microsoft Excel for Mac
If you have a Microsoft 365 subscription or a standalone copy of Excel for Mac, this method gives you the most control over the conversion process.
Step-by-Step Instructions:
- Open your XLS/XLSX file in Microsoft Excel for Mac.
- Review your data – note that only the active sheet will be converted to CSV.
- Go to File → Save As (or use ⌘ Cmd + Shift + S).
- In the “Format” dropdown, select CSV UTF-8 (Comma delimited) – this preserves special characters.
- Name your file, choose a location, and click Save.
- If prompted about compatibility, click Yes to confirm.
✅ Pros
- Full control over delimiter and encoding
- Handles large files efficiently
- Preserves number formatting
- Batch conversion possible with macros
❌ Cons
- Requires Microsoft 365 subscription
- Overkill for simple conversions
- Only active sheet exports
Method 3: Free Online XLS to CSV Converters (No Software Installation)
Don’t have Numbers or Excel? Free online tools let you convert XLS to CSV on Mac directly from your browser. Your files are processed securely, and most tools delete them automatically after conversion.
Recommended Online Converters for Mac Users:
- JSON Path Finder XLS to CSV Converter – 100% free, local processing (files never leave your device), supports multi-sheet selection and custom delimiters.
- Zamzar – 2 free conversions/day, 50MB limit.
- CloudConvert – 25 free minutes/day, highly customizable.
- Convertio – 100MB daily limit, clean interface.
Quick Steps (Using JSON Path Finder as Example):
- Visit https://jsonpathfinder.site/convert-xls-to-csv/
- Drag & drop your XLS or XLSX file into the upload area.
- Select the sheet you want to convert (if multiple sheets).
- Choose your delimiter (comma, semicolon, or tab).
- Click “Convert” and download your CSV file instantly.
✅ Pros
- No software installation
- Works on any Mac (even old versions)
- No account required
- Perfect for one-off conversions
❌ Cons
- Requires internet connection
- File size limits on some tools
- Not ideal for sensitive/confidential data (unless tool offers local processing)
Method Comparison: Which One Should You Choose?
| Method | Cost | Internet Required | Batch Conversion | Best For |
|---|---|---|---|---|
| Apple Numbers | Free | No | No | Casual users, offline conversion |
| Microsoft Excel for Mac | Subscription | No | Yes (with macros) | Professionals, large files |
| Online Converters | Free | Yes | Some tools | Quick, one-off conversions |
Pro Tips for Converting XLS to CSV on Mac
- Check your delimiter: Some applications expect semicolons (;) instead of commas (,). Use a tool that lets you customize the delimiter.
- Use UTF-8 encoding: Always choose UTF-8 when exporting to preserve special characters (é, ñ, 中文, etc.).
- Formulas won’t survive: CSV stores values, not formulas. Your calculated results will be saved as plain numbers/text.
- Only one sheet per CSV: If your Excel file has multiple sheets, you’ll need to convert each sheet separately.
- Preview before importing: Open your CSV in a text editor (like TextEdit or VS Code) to verify formatting before importing into databases.
FAQ – Converting XLS to CSV on Mac
Conclusion: The Best Way to Convert XLS to CSV on Mac
You now have 3 reliable methods to convert XLS to CSV on Mac:
- Apple Numbers – Best for free, offline, one-off conversions.
- Microsoft Excel for Mac – Best for professionals handling large or complex files.
- Online Converters – Best for quick conversions without installing anything.
For most Mac users, Apple Numbers is the perfect free solution. If you need a fast, no-install option, try the JSON Path Finder XLS to CSV Converter – it runs locally in your browser and supports custom delimiters and multi-sheet selection.
Final tip: Always verify your CSV output in a plain text editor before importing into critical systems. A quick check can save hours of troubleshooting later.