How are new columns named?

Name them or use default names.

No. Everything runs locally in your browser.

What is the file size limit?

Process files up to the browser memory limit.

Unlimited — all parts or limit to a maximum.

Split one CSV column into multiple columns by delimiter, position, or regex. Securely process files in your browser memory wi

Your files never leave your device. Processed locally. 100% private.

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Complete your task perfectly in just three straightforward steps.

Drop your CSV file.

Select the column and specify the delimiter or fixed widths.

Download the CSV with the split columns.

Everything you need to know about the Column Splitter.

Continue working with our suite of free data utilities.

Filter CSV rows by conditions on any column. Supports AND/OR logic. The safest way to process sensitive data with zero-upload

Transform wide CSV tables to long format. Convert column headers into row values. Processed entirely in your browser for 100%

Sort CSV rows by one or more columns in ascending or descending order. Fast, private, and secure browser-based tool with no s