How to Split Large File
- 1Upload your large CSV file
- 2Choose how many rows per file (default: 1000)
- 3Download the ZIP containing all split files
Split Large CSV Files - Break CSV into Smaller Files Online
Split large CSV files into smaller chunks instantly. Free CSV splitter tool. No upload limits. Choose rows per file. 100% private and secure.
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Split Large File
Break a massive file into smaller files of N rows each.
Upload your files
Drag & drop or click to browse
Max 1 file(s).csv
Why Use This Tool?
- ✓Handle Large Files - Process CSV files that are too big for Excel
- ✓Custom Split Size - Choose exactly how many rows per file
- ✓Maintains Headers - Every split file includes the header row
- ✓ZIP Download - All files packaged conveniently
- ✓Client-Side Processing - Your data never leaves your browser
Frequently Asked Questions
Why split a CSV file?
Large CSV files can crash Excel or Google Sheets. Splitting allows you to process data in manageable chunks, share smaller files, or meet upload size limits.
Will headers be included in each file?
Yes! Each split file automatically includes the header row, so every file is ready to use independently.
How are files named?
Files are named split_part_1.csv, split_part_2.csv, etc., making it easy to keep track of the order.
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