Split CSV into Files, free in your browser

Divide a CSV or TSV into numbered parts by data row count. Each part keeps the column names, and all parts download together as a ZIP archive.

How to split a CSV into files

1. Choose a CSV or TSV file.
2. Set the maximum number of data rows per part.
3. Split the table and download the ZIP archive.

Limits & good to know

• CSV and TSV files up to 50 MB and 500,000 data rows are processed on your device.
• Choose from 1 to 100,000 data rows per part; the ZIP is limited to 1,000 parts.
• Header rows are repeated in each part when enabled.

Frequently asked questions

Are my files uploaded to a server?

Your files are processed on your device, not uploaded to our servers. Your file and edits are saved in this browser for recovery, and previous documents remain in Saved drafts when you open another file. Use Saved drafts to resume or delete individual copies, or clear this site’s browser data to remove all copies. Browser storage can be cleared or become unavailable; download important work.

Does each part include the header?

Yes. When the first row contains column names, each split file repeats that header.

Is this really free, or free "until you hit a limit"?

Really free. Unlike most "free" PDF sites there is no task-per-day cap, no locked Pro features, no watermark stamped on your file, and no payment step before download. Every tool is the full tool.