CSV Splitter
Split large CSV files into smaller chunks by row count, number of files, or column value. Download individually or as a ZIP archive.
CSV Splitter
Split large CSV files into smaller chunks by row count, number of files, or column value. Download individually or as a ZIP archive.
CSV Input
Drop a CSV file here or click to browse
Paste CSV or upload a file to get started
Split large CSV files by row count, number of files, or column values.
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Frequently Asked Questions
What is the CSV Splitter?
The CSV Splitter is a free online tool that split large csv files into smaller chunks by row count, number of files, or column value. download individually or as a zip archive.. It runs entirely in your browser with no installation or sign-up needed.
What split modes?
Three: by row count (N rows per file), by file count (evenly distributed), or by column value (one file per unique value in a chosen column).
Is the header repeated?
Yes, when First row is header is enabled, the header row is repeated at the top of every split file.
Download all at once?
Yes — Download All as ZIP gives a single archive containing all split CSVs, or download each individually.
Is the CSV Splitter free to use?
Yes, the CSV Splitter is 100% free with no registration, no hidden fees, and no usage limits. All processing happens locally in your browser, ensuring complete privacy.
Is my data safe with this tool?
Absolutely. The CSV Splitter processes everything client-side in your browser. No data is uploaded to or stored on any server. Your content remains private on your device at all times.
Does the CSV Splitter work on mobile devices?
Yes, the CSV Splitter is fully responsive and works on smartphones and tablets. You can use it on any device with a modern web browser -- no app download required.
Do I need to create an account to use this tool?
No account or registration is needed. Simply open the CSV Splitter in your browser and start using it immediately. There are no sign-up walls or usage restrictions.
How do I use the CSV Splitter?
Simply enter your input in the provided field, adjust any settings to your preference, and the tool will process it instantly. You can then copy the result to your clipboard or download it.
Which browsers are supported?
The CSV Splitter works in all modern browsers including Chrome, Firefox, Safari, Edge, and Opera. For the best experience, use the latest version of your preferred browser.
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About CSV Splitter
CSV Splitter is a free, browser-based tool in our Utility Tools collection. Everything runs locally on your device — no uploads, no sign-up, and your data stays private.