Data & Tables
CSV to Excel Converter
Convert CSV to Excel online. Create an XLSX spreadsheet from CSV data locally in your browser without uploading files.
Tool
Convert CSV to Excel online. Create an XLSX spreadsheet from CSV data locally in your browser without uploading files.
This tool runs in your browser. Your input is processed locally and is not uploaded.
About this Tool
Use this CSV to Excel Converter to turn a CSV table into a spreadsheet-style workbook. The export writes detected headers and cell values into a worksheet, preserve empty cells, and optionally apply simple column type hints. It is best for preparing ordinary tabular data for users who prefer spreadsheet files, while avoiding claims about advanced workbook features.
Examples
- month,region,product,units,revenue 2026-01,North,Notebook,42,1259.58 2026-01,South,Pen Set,115,287.50 2026-02,North,Planner,36,540.00
Frequently Asked Questions
Are my CSV files uploaded to a server?
No. The tool parses, transforms, previews, and exports data locally in your browser without uploading your input.
Which CSV details are supported?
The parser handles configurable delimiters, quote characters, UTF-8 text, optional BOM detection, mixed line endings, headers, and line breaks inside quoted fields.
Are Excel macros or formulas executed?
No. Spreadsheet tools read and write cell values only. Macros are not run, and a complete formula calculation engine is not promised.
Will formatting, charts, or workbook features be preserved?
Not reliably. These tools focus on table data. Charts, formulas, comments, complex formatting, and advanced workbook features may be ignored or simplified.
What file sizes are practical in the browser?
Small and medium tables are the best fit. Very large files can use a lot of memory because parsing, previews, and exported results all live inside the browser tab.