Split CSV

Split a large CSV file into multiple smaller files by row count. Download all parts as a ZIP archive.

Drop your CSV file here

Drag & drop or browse a file

CSV only · Split by rows · Download as ZIP

Rows per file

Include header in each file?

Splitting CSV…

CSV Split!

Split CSV File — Free Online Tool

Split large CSV files into smaller files by row count. Upload your CSV, set how many rows each output file should have, and download all parts as a ZIP archive. Header row is automatically included in each file.

Split CSV — FAQs

Large CSV files can be slow to open and process. Splitting them into smaller parts makes them easier to import into Excel, databases, or APIs with row limits.

Yes, by default the first row (header) is copied to each output file so every part is self-contained and ready to use.

CSV files up to about 50 MB are supported. All processing happens in your browser — no uploads to any server.

The number of output files depends on the total rows divided by your chosen rows-per-file setting. All parts are bundled in a ZIP download.