Excel Compare Tool - Compare Two Excel Files Online

Compare two Excel files, spreadsheets, CSV files, and other formats side by side. Find differences, additions, and modifications with our comprehensive Excel comparison tool. Supports XLSX, XLS, CSV, TXT, ODS, and more.

File A

Select the first file to compare

Drag and drop your file here

Supported formats: XLSX, XLS, XLSM, XLSB, CSV, TXT, DIF, ODS

Maximum file size: 100MB

Supported File Formats
Excel Formats:
  • XLSX (Excel 2007+)
  • XLS (Excel 97-2003)
  • XLSM (Macro-enabled)
  • XLSB (Binary format)
Other Formats:
  • CSV (Comma-separated)
  • TXT (Tab-delimited)
  • DIF (Data Interchange)
  • ODS (OpenDocument)

File B

Select the second file to compare

Drag and drop your file here

Supported formats: XLSX, XLS, XLSM, XLSB, CSV, TXT, DIF, ODS

Maximum file size: 100MB

Supported File Formats
Excel Formats:
  • XLSX (Excel 2007+)
  • XLS (Excel 97-2003)
  • XLSM (Macro-enabled)
  • XLSB (Binary format)
Other Formats:
  • CSV (Comma-separated)
  • TXT (Tab-delimited)
  • DIF (Data Interchange)
  • ODS (OpenDocument)

Get Started

Upload two spreadsheet files to compare them side by side. Our tool supports Excel, CSV, and many other formats. Find differences, additions, and deletions quickly and easily.

Key Features

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Multiple File Formats

Support for Excel (XLSX, XLS, XLSM, XLSB), CSV, TXT, DIF, and OpenDocument (ODS) files.

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Detailed Cell Analysis

Compare cell by cell with precise difference detection including data types, formulas, and values.

Fast & Efficient

Lightning-fast comparison engine that handles large spreadsheets with thousands of rows and columns.

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Privacy First

All processing happens in your browser. Your files never leave your device.

Supported File Formats

📈Excel & Spreadsheet Formats

  • XLSX - Excel 2007+ format with full feature support
  • XLS - Legacy Excel 97-2003 binary format
  • XLSM - Macro-enabled workbooks (macros ignored)
  • XLSB - Excel binary format for large files

📄Other Supported Formats

  • CSV - Comma-separated values with auto-delimiter detection
  • TXT - Tab-delimited and other text formats
  • DIF - Data Interchange Format for data exchange
  • ODS - OpenDocument spreadsheet format

Common Use Cases

Data Analysis

Compare datasets, financial reports, and analytical spreadsheets to identify trends and changes.

Version Control

Track changes between different versions of Excel files and spreadsheets over time.

Quality Assurance

Verify data integrity by comparing source files with processed or migrated data.

Report Comparison

Compare business reports, financial statements, and analytical documents for accuracy.

Budget Analysis

Compare budget files, expense reports, and financial forecasts across periods.

Inventory Tracking

Track inventory changes, stock levels, and product catalogs between updates.

How to Use Excel Compare Tool

📤 Upload Files

  1. Select or drag-and-drop your first Excel file (File A)
  2. Select or drag-and-drop your second Excel file (File B)
  3. Choose which sheets to compare if files have multiple worksheets

⚙️ Compare & Export

  1. Configure comparison options (case sensitivity, empty cells, etc.)
  2. Click "Find Differences" to start the comparison process
  3. Review results and export differences to CSV if needed
🔒 Privacy Note: All file processing happens locally in your browser for maximum security.