Split CSV by Rows

With DataOlllo’s free CSV Splitter, you can break down massive CSV files into smaller chunks by row count — whether it’s 10,000 rows, 50,000 rows, or a custom value. Work faster, avoid Excel crashes, and handle your data offline.

Illustration of splitting CSV files by rows with DataOlllo

How to Split CSV by Rows

  1. Click “Split File” button.
  2. Select your large CSV file in DataOlllo.
  3. Choose a target row count (e.g., 10,000, 50,000, or custom).
  4. Click “OK” and save multiple smaller files instantly.

Want more splitting options? Try the full tool.

Go to CSV Splitter →