CSV Splitter

Name: CSV Splitter
Author: Orbital Creative Nexus

Split one big CSV into smaller files, your way.

Load a CSV
Choose how to split
Download the ZIP

Runs in your browser. Nothing you load here is uploaded or stored.

Step 1

Load your CSV

Drop a CSV here, or choose a file File loaded .csv, .tsv or .txt, up to 500,000 rows or 100 MB. Read on this device only. Drop or choose another file to replace it.

First row is a header (repeated in every output file)

No file loaded yet.

Step 2

Choose how to split

A fixed number of rows per file

Rows per file

A chosen number of files

Files of about a target size

One file per value in a column

A random sample

No split — export all rows as one cleaned CSV

Step 3

Preview and download

Excel-friendly (add BOM)

Load a file to see a preview.

Output files

Limits

Up to 500,000 rows or 100 MB per file; bigger files stop with a message.
Split by column handles up to 500 distinct values.
Target-size mode is approximate — rows are never cut in half.
Output is UTF-8; tick "Excel-friendly (add BOM)" if Excel shows accents wrongly.

CSV Splitter

Limits

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