CSV Splitter
Split a CSV into multiple files by row count or by a column value, keeping the header on each part. Free, private — copy or download every part.
Split a CSV
Paste CSV and split it into parts by row count or by a column value.
What this CSV splitter does
Common use cases
- 1Breaking a big file into chunks
- 2Splitting by region, status or category
- 3Preparing batches for import
- 4Meeting an upload row limit
- 5Distributing data per team
- 6Separating records by group
Related tools
About splitting CSV files
Large CSVs often need splitting — to stay under an import row limit, to process in batches, or to separate records by a category like region or status. Doing it in a spreadsheet is slow and error-prone.
This splitter breaks your file into parts either by a fixed row count or grouped by a column value, keeping the header on every part so each is a valid CSV. Copy or download each one — all in your browser, so your data stays private.
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Got Questions? We Have Answers.
How can I split a CSV?
Two ways: into files of a fixed number of rows, or grouped by the value of a column (e.g. one file per region).
Does each part keep the header?
Yes. Every part includes the header row, so each is a valid, ready-to-use CSV.
Is my data uploaded?
No. Splitting runs entirely in your browser.
Why split a CSV?
To stay under an import row limit, process in batches, or separate records by category.