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Split CSV File

Divide a large CSV into smaller files with a repeated header.

How it works

Choose or paste CSV, select its delimiter and the number of data rows per file, then review the part count and download a ZIP. Nothing is uploaded and no account is required.

Useful to know

Quoted fields and embedded line breaks are preserved. Enable the header option to repeat the first row in every part. Files are limited to 10,000 data rows and 200 columns.

Private by design

Inputs, selected files and results stay inside your browser. Perkforge does not receive the content you process with this tool.