Compare two CSV files and generate an Excel report with highlighted differences
1. Upload Files
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Upload two CSV files to compare. You can also upload a JSON configuration file to restore previous settings. Drag and drop files or click to browse.
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Drag & drop files here or click to browse
Upload 2 CSV files to compare and a JSON config file (optional)
2. Files to Compare
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Shows the two files being compared. Drag rows to swap file order. Edit tags to customize output column labels. Hover over Matched/Unique counts to see column names.
FilenameRowsColumnsMatchedUnique
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3. Configure Comparison
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When enabled, any column that has at least one different value between the files will show both versions side-by-side (e.g., Price_file1, Price_file2). Columns with no differences remain as single columns.
4. Compare CSV Files
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Click Compare to analyze differences between the two files. After comparison, you can preview results or download an Excel report with color-coded changes.