CSV Merge Tool
Combine multiple CSV files into one downloadable CSV table.
Files are processed on your device, not uploaded. CSV files must have the same headers in the same order.
What Is CSV Merge Tool?
Merge compatible CSV tables with matching headers into a single file.
How to Use CSV Merge Tool
Choose two or more CSV files with matching column headers and click Merge CSV.
Key Features
Free online conversion, no registration, browser-based processing, and straightforward downloads. Supports Unicode text where the source format permits.
Frequently Asked Questions
Are files uploaded to EKO24 servers?
No. Files are processed in your browser on your device.
Is registration required?
No account or registration is required.
Does it work on mobile?
Yes, in modern mobile browsers, subject to memory and file size limits.
What file formats are supported?
Comma-, semicolon-, tab- and pipe-delimited CSV files.