--- title: "CSV Excel Converter" description: "Convert CSV to Excel and Excel to CSV online, both directions on one page. Drop a .csv to get an .xlsx, or drop an .xlsx to get CSV from any sheet. Quoted commas and custom delimiters are preserved. Runs in your browser." url: https://findutils.com/convert/csv-to-excel/ category: convert --- # CSV Excel Converter Convert CSV to Excel and Excel to CSV online, both directions on one page. Drop a .csv to get an .xlsx, or drop an .xlsx to get CSV from any sheet. Quoted commas and custom delimiters are preserved. Runs in your browser. **Use this tool:** [CSV Excel Converter](https://findutils.com/convert/csv-to-excel/) ## Programmatic access - Browser-only: this tool works on a file, the DOM, or a browser API and has no REST or MCP id. ## Why Use CSV to Excel Converter? Excel provides powerful features for data analysis, formatting, and visualization that aren't available in plain CSV files. Converting CSV to Excel allows you to use formulas, charts, conditional formatting, and other Excel features. Our converter preserves your data structure and creates proper Excel workbooks. ## Tips for a Clean Conversion - Make sure your CSV file uses consistent delimiters throughout. Mixed delimiters cause columns to merge or split unexpectedly. - If your data contains commas inside quoted fields (e.g., addresses), the converter handles them correctly as long as standard CSV quoting rules are followed. - For very large files with hundreds of thousands of rows, close other browser tabs to free up memory before converting. - Check that date columns display correctly in the Excel output. Some date formats may need manual adjustment in Excel after conversion. - When working with non-English data that includes special characters, ensure your CSV is saved with UTF-8 encoding before uploading. ## Frequently Asked Questions ### Is my CSV file uploaded to a server? No. All conversion happens entirely in your browser. Your files never leave your device, ensuring complete privacy. ### What delimiter should I select? Select the delimiter used in your CSV file. Comma is most common, but European files often use semicolon. If you see data in wrong columns, try a different delimiter. ### Will formulas be preserved? CSV files don't contain formulas - they only store raw data. The Excel file will contain your data as values, and you can add formulas after opening it in Excel. ### What's the maximum file size? Since processing happens in your browser, the limit depends on your device's memory. Most devices can handle files up to several hundred megabytes. ### Can I open the file in Google Sheets? Yes! The generated.xlsx file is compatible with Microsoft Excel, Google Sheets, LibreOffice Calc, and other spreadsheet applications. ### Does the converter support TSV and other text formats? Yes. You can upload.csv.tsv, and.txt files. Select the matching delimiter (tab for TSV) and the converter parses the data correctly. ### Will special characters and accented letters survive the conversion? Yes, as long as your CSV file is encoded in UTF-8. The converter preserves Unicode characters, accented letters, and symbols in the generated Excel file. ### Can I convert multiple CSV files at once? This tool converts one file at a time. If you need to combine multiple CSV files first, use the CSV Merger tool and then convert the merged result to Excel. ### Is there a row or column limit? The Excel XLSX format supports up to 1,048,576 rows and 16,384 columns. The practical limit depends on your browser's available memory, but most files convert without issues. ### Do I need to install any software? No installation is required. The converter runs entirely in your web browser on any operating system, including Windows, macOS, Linux, and Chromebook. ### Is my Excel file uploaded to a server? No. All conversion happens entirely in your browser using JavaScript. Your files never leave your device, ensuring complete privacy and security. ### Can I convert multiple sheets at once? Yes! If your Excel file has multiple sheets, you can preview each one and download them all as separate CSV files with a single click. ### What delimiter options are available? You can choose from comma (standard CSV), semicolon (common in Europe), tab (TSV format), or pipe delimiters depending on your needs. ## Related Tools - [JSON to CSV](https://findutils.com/convert/json-to-csv/) - [CSV Viewer](https://findutils.com/convert/csv-viewer/) - [CSV Merger](https://findutils.com/convert/csv-merger/) - [CSV Column Extractor](https://findutils.com/convert/csv-column-extractor/) - [Spreadsheet Editor](https://findutils.com/productivity/spreadsheet-editor/) - [PDF to Image](https://findutils.com/convert/pdf-converter/) - [ICS to CSV](https://findutils.com/convert/ics-to-csv/) - [CSV to ICS](https://findutils.com/convert/csv-to-ics/) - [Bookmarks HTML to CSV](https://findutils.com/convert/bookmarks-html-to-csv/) - [VCF to CSV](https://findutils.com/convert/vcf-to-csv/) - [TSV to CSV](https://findutils.com/convert/tsv-to-csv/) - [CSV to NDJSON](https://findutils.com/convert/csv-to-ndjson/)