Free CSV Splitter Online (Split by Rows)
Use this free CSV splitter to break a large CSV into smaller files by row count. Fast, private, and works in your browser.
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What is CSV Splitter?
CSV Splitter divides a large CSV into multiple smaller files of a chosen number of rows each, repeating the header in every file, and downloads them as a ZIP. It is useful for import limits and batching. Processing runs in your browser.
How to use this tool
- Paste your CSV or upload a file.
- Set the number of rows per file.
- Click Split.
- Download the ZIP of split files.
Features
- Split by rows per file
- Repeats the header in each file
- Downloads all parts as a ZIP
- Handles large files in the browser
- Runs entirely in your browser
This tool runs in your browser. Your files and text are not uploaded to our servers, and we do not store your input.
Frequently asked questions
Does each file keep the header?+
Yes. The header row is repeated at the top of every split file.
How are files delivered?+
All parts are bundled into a single ZIP download.
Is my data uploaded?+
No. Splitting happens entirely in your browser.
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