Batch Convert CSV to Excel

Easily batch convert your CSV files to Excel.

How to Use
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Batch Convert CSV Files to Excel

Batch convert multiple CSV files to Excel spreadsheets in seconds. Upload multiple CSVs and convert them into separate Excel files or a single workbook with multiple sheets. It preserves leading zeros and prevents text corruption by auto-detecting character encoding.

How to Convert CSV to Excel
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

Convert multiple CSV files to Excel in one go

Avoid garbled text when opening CSVs in Excel

Keep leading zeros intact during Excel conversion

Convert CSV to Excel on any OS — Windows, Mac, or mobile

Frequently Asked Questions (FAQ)
How does this tool handle garbled CSV text?
The tool automatically detects character encoding to prevent garbled text as much as possible. If garbling still occurs, 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.
Why Choose This Tool?

This tool handles batch conversion, multi-file merging, leading-zero preservation, and encoding detection — all in your browser with no software to install.

Start converting your CSVs now.

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