Data Conversion

Batch Convert CSV to Excel

Convert Multiple CSVs to Excel!

This free online tool converts your CSV files to Excel. You can batch convert multiple CSVs at once, either as separate Excel files or merged into one workbook with individual sheets. It also preserves leading zeros and automatically detects character encoding to reduce garbled text.

How to Use
STEP1

Upload CSV

Drag and drop your CSV files or upload them using the 'Choose Files' button.

You can upload multiple CSV files at once.

CSV File Upload Screen
STEP2

Set Conversion Options

Turn on 'Combine into One Excel File' to merge multiple CSVs into a single Excel file, with each CSV placed on a separate sheet.

If disabled, each CSV will be converted to a separate Excel file.

Excel Conversion Options Screen
STEP3

Download

After reviewing, click the download button.

If multiple files are converted, they will be downloaded as a single ZIP archive.

Download Screen After Excel Conversion
Key Features

Batch convert multiple CSV files to Excel

Merge into a single Excel file with separate sheets

Preserve leading zeros in numbers

Automatic character encoding detection to prevent garbled text
Does not guarantee complete prevention of garbled text.

Convert directly in your browser without needing Excel software

Free and secure: all processing happens directly in your browser.

Ideal for

Those who want to convert multiple CSV files to Excel in one go.

Those who struggle with garbled text when converting to Excel.

Those who want to prevent loss of leading zeros during Excel conversion.

Those who want to convert CSV to Excel regardless of their operating system (Windows, Mac, etc.).

Frequently Asked Questions (FAQ)
How does this tool handle garbled CSV text?
Yes, it has an automatic CSV character encoding detection feature to prevent garbled text as much as possible. If garbling still occurs, please try saving your CSV file with a BOM and re-uploading.
Does it prevent loss of leading zeros in numbers when converting to Excel?
Yes, leading zeros in numbers are preserved as text, ensuring that data like postal codes and product IDs are correctly converted to Excel.
Does it depend on the Excel version?
No. The generated files are in the standard .xlsx format, so they can be opened with compatible software like Excel 2007 or later, or Google Sheets.
Can I use it on my smartphone?
Yes. It works on any device (PC, smartphone, tablet) as long as it has a web browser.