## How to compare two excel files for differences? Using this free web tool, you can compare any Excel / Calc document easily. Just select first/original file in left window and second/modified file in right window. Your data will automatically be extracted. First sheet is automatically selected and you can change it in the dropdown. Alternatively you can also copy and paste directly into left and right windows. After that click on **🔍 Find Difference** button to find diff. All differences will be shown with removals/additions & changed values highlighted in red/green & blue color. You can export the diff **.xlsx, .csv, .ods, or .html** file format.(If you face problem in Excel export, use OpenDocument export(unstyled).) Otherwise you can also select all (`Ctrl-A`) and copy (`Ctrl-C`) and then paste in your spreadsheet software (`Ctrl-V`). ### How to Compare two excel sheets in same file? To diff two sheets, you can upload same file for both original/modified section and choose sheet accordingly from the dropdown. ### What does +++/---/-->/@@/: indicate 🤔? - +++ This row has been added in second/modified file. - --- This row has been removed in second/modified file. - --> Cell value different. - : Moved/Reordered row. - @@ Header row. - ... Unchanged rows/cols have been omitted in between. excel diff online example

[Read More about spec](https://paulfitz.github.io/daff-doc/spec.html) ## What spreadsheet file formats does this Excel diff tool support? This tool can read following worksheet/workbook formats: - Excel 2007+ (XLS/XLSX/XLSM/XLSB) - Delimiter-Separated Values Text files (CSV/TXT) (Use [CSV Compare tool](/csv/compare/) if CSV parsing fails) - Data Interchange Format (DIF) - OpenDocument Spreadsheet (ODS/FODS) - HTML Tables ## Does this compare against formulas? No, this tool only does value based comparisons. Two files are compared per row/column wise. So, to get better results your sheets should be organized (sorted/ similar column layout). ## What about my data? This is a web based tool. All data extraction/comparison/export is done in your 🖥 browser itself. Nothing is uploaded to our server if you are only comparing. However, if you want to share results with others, you must choose to save the result which then will be uploaded to our server. You'll be given a unique URL for your result & your result will be viewable to anyone with that unique URL. ## What is Excel Compare Tool? An Excel compare tool is a software application that allows you to compare two Excel files and highlight the differences between them. These tools are often used in business, finance, and data analysis settings to compare different versions of a spreadsheet, track changes, or merge changes. Here are some features that an Excel compare tool might have: - **Free**: This tool is free to use. No need to sign up or login. - **Cell-by-Cell Comparison**: Compares each cell in the two spreadsheets and highlights differences. - **Highlight Differences**: Highlights cells that have different values or formatting. - **Export Diff**: Generates a Excel/CSV/HTML diff report detailing the differences between the two spreadsheets. - **Privacy**: This tool does all the processing on your browser, so nothing is saved on our server unless you choose to save. - **Public Share**: You can share the diff view publicly with others by saving online and sharing the URL. - **Secure**: All the data is encrypted and sent over 128-bit SSL/TLS secure connection for online saved data. - **No Installation**: This is a web based tool, no software installtion required. It works on any modern browser like Firefox, Chrome, Edge etc on Windows, Mac or Linux based computer. - **Unlimited**: There is no limit on number of comparisons you can do. You can compare as many Spreadsheet files as you want. They are particularly useful in fields like accounting, finance, project management, and any other field where Excel spreadsheets are frequently used. ### What are the uses of an Excel Compare Tool? An Excel compare tool can be used in a variety of contexts. Here are some common uses: 1. **Data Analysis**: Excel compare tools are often used in data analysis to compare different data sets and identify discrepancies or changes. 2. **Financial Reporting**: In finance and accounting, an Excel compare tool can be used to compare different versions of a financial report to ensure accuracy and consistency. 3. **Project Management**: In project management, an Excel compare tool can be used to compare project plans or schedules to track progress and changes. 4. **Inventory Management**: In inventory management, an Excel compare tool can be used to compare inventory lists at different points in time to track inventory changes. 5. **Quality Assurance**: In software testing, an Excel compare tool can be used to compare output data with expected results to identify any discrepancies. 6. **Academic Research**: In academic research, an Excel compare tool can be used to compare data sets to identify changes or anomalies. 7. **Sales and Marketing**: In sales and marketing, an Excel compare tool can be used to compare sales data or marketing metrics over different periods to track performance. Remember, the usefulness of an Excel compare tool extends to any scenario where you need to compare and understand differences between two Excel spreadsheets. ### Libraries used in this Tool - [SheetJS](https://sheetjs.com/) - [Jszip](https://stuk.github.io/jszip/) - [Daff](https://github.com/paulfitz/daff)

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