Merge CSV
Combine multiple CSV files into a single file quickly and easily. Upload your CSV files, choose a header mode, and download a single merged.csv file.
Click to upload or drag and drop
Supported formats: .csv
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Header Mode
Choose how to handle the header row of each file.
Select at least 2 CSV files to merge
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Fast Processing
Files are merged row-by-row with a streaming engine, keeping memory usage low even for large files.
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Privacy First
Your files are processed securely andre automatically deleted after use. Uploaded data never gets stored.
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Flexible Header Options
Choose to keep the first file's header or remove all headers from the merged output.
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