CSV & Excel Splitter

Easily split massive CSV or Excel files into smaller, manageable chunks. Perfect for systems with file size or row limits. All processing stays in your browser.

Select CSV or Excel File

Upload the large CSV or Excel file you want to split

How to use CSV Splitter

1 Upload File

Choose your massive CSV or Excel file. It can be several hundred megabytes—our browser-based engine handles it locally.

2 Set Split Limit

Choose to split by Row Count (e.g., 5000 rows per file) or Total Files (e.g., split into 10 equal parts).

3 Get ZIP Archive

The tool will process the file and bundle all chunks into a single ZIP file for easy downloading.

Privacy Note: Your data never leaves your computer. All splitting happens entirely within your browser's memory.