Split CSV File
Split a CSV into multiple smaller files by rows or by a column value. Runs entirely in your browser.
Drop your CSV file here
or click to browse — supports .csv, .tsv, .txt
Your files never leave your device.
Split CSV Files Online — Fast & Private
Use this tool to split CSV files online in seconds. Split a large CSV into smaller files by rows, or split by a column value to create one CSV per group.
Everything runs locally in your browser for speed and privacy. Your CSV is never uploaded to a server.
Split CSV files before importing into Excel, databases, or tools with file size limits.
Frequently Asked Questions
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