Why Use Our Excel to CSV Converter?
Multiple Output Formats
Choose from Array of Objects, Array of Arrays, Nested Objects, or Key-Value pairs
Multi-Sheet Support
Select which sheet to convert from multi-sheet Excel workbooks
First Row as Headers
Use first row as CSV keys — perfect for data exports
Pretty Print or Minify
Choose readable indented CSV or compact minified CSV for production
Smart Empty Cell Handling
Choose how to handle empty cells — null, empty string, or skip the key
Date Format Control
Convert Excel dates to ISO strings, date-only, or timestamps
100% Private
Convert Excel to CSV completely in your browser. Your data never leaves your device
Completely Free
No signup, no watermark, no limits — use our Excel to CSV converter as much as you need
How to Convert Excel to CSV — 3 Simple Steps
1. Upload Your Excel File
2. Choose CSV Format
3. Download CSV
When You Need to Convert Excel to CSV
- API Data Preparation
- Convert Excel data to CSV for API responses and web services
- Web Development
- Use Excel data directly in JavaScript applications
- Data Migration
- Convert Excel to CSV for database imports and data migration
- Configuration Files
- Create CSV configuration files from Excel templates
- Testing Data
- Generate CSV test data from Excel spreadsheets
- Business Intelligence
- Transform Excel reports into CSV for BI tools
Why Use Our Excel to CSV Converter?
Most Excel to CSV converters upload your data to servers — privacy risk. Our converter works entirely in your browser: faster, safer, and completely private. Convert Excel to CSV with multiple output formats, header options, and date handling.
Multiple Output Formats
Array of Objects, Array of Arrays, Nested Objects, Key-Value pairs
Header Row Support
Use first row as CSV keys for clean data structure
Pretty Print & Minify
Readable for development, compact for production
Smart Date Handling
Convert Excel dates to ISO strings or timestamps
Empty Cell Control
Choose how to represent empty cells in CSV
Sheet Selection
Choose which sheet to convert from multi-sheet workbooks
100% Private
Your data never leaves your device. Convert Excel to CSV safely
Free Forever
No signup, no watermark, no limits — completely free to use