Free Online Excel Comparison Tool - Compare Two Excel Files Side by Side

How to Compare Two Excel Files Online

1. Upload your spreadsheets:

   • Drop files into the grid areas
   • Use file chooser buttons
   • Import from Google Drive
   • Copy/paste data directly
   • Use sample data to test

2. Configure comparison settings:

   • Choose specific sheets from workbooks
   • Toggle "Use First Row as Headers"
   • Swap files if needed
   • Clear or reset data

3. View differences in multiple ways:

   • Table View: Side-by-side comparison with changes highlighted
   • Text View: See changes in text format
   • Export results in various formats

Features

• 📊 Interactive spreadsheet grid interface
• 📑 Multiple sheet selection for workbooks
• 🔄 Header row auto-detection
• 💾 Export to XLSX, CSV, ODS, HTML
• 🔗 Share comparisons online
• 🔍 Change highlighting
• 📱 Works on all devices

Supported File Formats

• Excel Files (XLSX, XLS, XLSM, XLSB)
• OpenDocument Spreadsheets (ODS, FODS)
• CSV and Text Files (CSV, TXT, PRN)
• Other Formats:
  • HTML Tables
  • DIF Files
  • SYLK Files
  • RTF Tables

Understanding Diff Indicators

• +++ New row added
• --- Row removed
• --> Cell value changed
• : Row moved/reordered
• @@ Header row
• ... Unchanged content omitted

Tips for Best Results

1. Organize Data:

   • Sort data if possible
   • Use similar column layouts
   • Clean up empty rows/columns

2. Header Handling:

   • Enable "Use First Row as Headers" for labeled columns
   • Disable for raw data comparison

3. Large Files:

   • Use sheet selection for specific comparisons
   • Consider text view for performance
   • Export results for offline use

Privacy & Security

• Browser-based processing
• No server uploads for comparison
• Optional sharing with unique URL
• Automatic deletion of shared files
• No registration required

Export Options

1. Excel (XLSX)

   • Preserves formatting
   • Best for Microsoft Office

2. OpenDocument (ODS)

   • Compatible with LibreOffice/OpenOffice
   • Platform-independent

3. HTML

   • Web-friendly format
   • Includes styling

4. CSV

   • Universal compatibility
   • Text-based format