Merge your CSV files quickly and easily online into a single CSV file. Our user-friendly and fast CSV merger is free and adds no watermarks.
or drop files here
Combining your CSV files. This may take a moment.
Supported format:
Select at least 2 CSV files. All rows from each file will be merged into a single CSV file. Headers from the first file will be preserved, and duplicate headers from subsequent files will be skipped.
Merge multiple Excel files into one CSV file in seconds. Simple, user-friendly interface with no registration needed.
Your files are encrypted using TLS and automatically deleted from our servers after processing. Your privacy is our priority.
Merge files from any device and operating system. Works seamlessly on Mac, Windows, Linux, or mobile browsers.
Drag & drop your CSV files or click to select them from your device
Click the merge button to combine all your CSV files into one CSV file
Download your merged Excel file or save it to cloud storage
The header row from the first CSV file is preserved. All data rows from all files are merged, and duplicate headers from subsequent files are skipped.
Yes! You can merge CSV files with different numbers of columns. The merged file will use the column structure from the first file, and rows with fewer columns will have empty cells filled in.
The tool uses comma (,) as the standard CSV delimiter. All merged files will use comma-separated values format.
You can merge multiple CSV files at once. For best performance, we recommend merging files under 100MB each.
Yes! The tool automatically detects and handles different text encodings including UTF-8, UTF-8 with BOM, Latin-1, and others.
Yes! The tool properly handles CSV formatting, including quoted fields, commas within data, and special characters. All data is preserved correctly.
