CSV to Excel Converter
Upload a CSV or TSV file, confirm delimiter and header-row settings, preview the structure, and download an editable XLSX workbook.
Preview
No rows parsed yet
Spreadsheet imports
Turn exported customer lists, reports, logs and tabular datasets into a workbook that spreadsheet apps open cleanly.
TSV and pipe-delimited files
Use the delimiter control for tabs, semicolons or pipes before creating the XLSX output.
Header-aware workbook
When a header row is selected or detected, the first row is styled and frozen in the Excel workbook.
Related spreadsheet and data tools
CSV to Excel Converter
Convert a validated CSV file into an Excel workbook with tabular cell values.
- Input
- One CSV file with its delimiter and encoding.
- Output
- An .xlsx workbook containing the parsed rows and columns.
- Real limitations
- The conversion preserves cell values, not macros, formulas inferred from text, charts, or a designed spreadsheet layout.
- Privacy and data handling
- one CSV file with its delimiter and encoding is uploaded to a compatible Convertr worker only after you start the operation. Processing is automated, and temporary source and result files are deleted automatically after processing rather than retained as permanent storage.
How to use this tool
- Choose one CSV file with its delimiter and encoding and wait for the page to validate it.
- Set the available output or inspection options, then start processing.
- Review the reported result and download an .xlsx workbook containing the parsed rows and columns before the temporary link expires.
Common failure modes
Inconsistent columns, invalid encoding, oversized worksheets, or malformed quoting can prevent workbook creation.
Useful example
Upload contacts.csv with name and email columns to download contacts.xlsx with one worksheet.