Split large CSV files into multiple smaller files by row count or number of parts. Output files bundled as a ZIP with header rows included.
Open CSV Splitter → free, no sign-inA large CSV is often too big to import in one go, or needs to be distributed in chunks. CSV Splitter divides your file into multiple smaller CSVs by row count or by a fixed number of parts. All the output files are bundled into a ZIP for download. Each output file includes the header row.
Developers chunking large datasets for batch processing, anyone splitting a big export into manageable parts for import, data engineers preparing files for systems with row count limits.
No tutorials. No learning curve. Open it and get started.
No server uploads. Output files are bundled as a ZIP download — one click to get all the parts.
Completely free. No trial period. No premium tier for basic functionality. No account required. Use it as often as you need.
One job, done well. CSV Splitter was built to solve a specific problem cleanly. No feature bloat, no ads, no distractions.
Does each file include the header?
Yes — the header row is repeated at the top of each output file.
How are output files named?
Files are named sequentially based on the original filename.
What format is the download?
All output files are bundled in a ZIP archive.
Can I choose the number of output files?
Yes — specify either rows per file or a total number of equal parts.
What happens if the total rows don't divide evenly?
The last file gets the remainder rows.
Free. Instant. No sign-in. Open it and get the job done.
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