CSV to Excel Converter

Convert CSV files to Excel (XLSX) format instantly in your browser - 100% private, no upload required

Drag & drop your CSV file here

or click to browse

Supports: .csv files with comma, semicolon, tab, or pipe delimiters

100% Private & Secure

Your CSV file is converted entirely in your browser. No data is uploaded to any server. Perfect for sensitive financial data, customer lists, and confidential spreadsheets.

How to Use CSV to Excel Converter

Select or drag your CSV file into the upload area
Preview the data and verify the delimiter is detected correctly
Click 'Convert to Excel' to process the file in your browser
Download your converted .xlsx file instantly

Why Use Our CSV to Excel Converter?

Instant conversion - process files in seconds
Auto-detects delimiters (comma, semicolon, tab, pipe)
100% private - all processing happens in your browser
Completely free with no file size limits
No software installation required
Convert unlimited files

Common Use Cases

Data Analysis

Convert exported CSV data to Excel for easier analysis, formatting, and sharing with Excel formulas and pivot tables.

Business Reports

Transform database exports or system reports from CSV to professional Excel spreadsheets for presentations.

Data Migration

Convert legacy CSV files to modern Excel format for compatibility with Office 365, Google Sheets, and other tools.

Financial Analysis

Convert bank statements, transaction logs, and financial data from CSV to Excel for detailed analysis and charting.

Frequently Asked Questions

Is my CSV data uploaded to a server?

No! All conversion happens entirely in your browser using client-side JavaScript. Your files never leave your device, ensuring complete privacy and security.

What delimiters are supported?

Our tool automatically detects and supports comma (,), semicolon (;), tab, and pipe (|) delimiters. The delimiter is detected from your CSV file automatically.

Is there a file size limit?

The only limit is your browser's memory. Most modern browsers can handle CSV files with tens of thousands of rows without issues.

Quick Info

Processing:

Client-Side

Upload Required:

File Size Limit:

Unlimited

How It Works

1
Select File
Choose from your device
2
Browser Processing
Converted instantly in your browser
3
Download
Get your file instantly

Your files never touch our servers

Have Questions?

Check our comprehensive FAQ section for detailed answers about privacy, security, and usage.

View FAQ