FREE WEB TOOL

CSV row splitter

Split a large CSV into files with a chosen number of rows.

Split CSV

Files are processed in your browser and are not sent to our server.

About this tool

CSV row splitter is a free online utility from BlueprintLab Tools. Split a large CSV into files with a chosen number of rows.

Use it when you need to inspect, compare, clean, or transform CSV and structured data quickly.

No account is required. The tool is designed to complete the task directly in your browser with a short input → process → result flow.

How to use

  1. Choose the file you want to check.
  2. Select “Split”.
  3. Review the detected issues and save the result if needed.