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CSV Splitter

Split a CSV into chunks of N rows, or into separate files grouped by a column value.

A CSV splitter breaks one file into several — either fixed chunks of N rows for batch processing and import limits, or one part per distinct value in a column, which is how you separate a combined export back into per-region or per-customer files.

Runs in your browser
Privacy
Runs entirely in your browser — nothing is uploaded
Cost
Free, unlimited, no sign-up

Frequently asked questions

Why split a CSV at all?

Import limits, mostly. Many systems cap uploads at a few thousand rows, and several tools slow dramatically past a certain file size. Splitting by a column value is different — that separates one combined export back into per-region or per-client files.

How to use the csv splitter

  1. 1Enter or paste your csv.
  2. 2Choose the split.
  3. 3Set the rows per chunk.
  4. 4Enter or paste your group by column.
  5. 5Choose the delimiter.
  6. 6Turn "Repeat the header in each part" on or off as needed.
  7. 7The result appears immediately — copy or download it.

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