Can I sort by multiple columns?

Yes — add multiple sort keys, each with independent direction.

Is numeric sorting supported?

Yes — numeric columns are sorted numerically, not lexicographically.

No. Everything runs locally in your browser.

Process files up to the browser memory limit.

Yes — detected date columns are sorted chronologically regardless of format.

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

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 one or more columns and set ascending or descending order for each.

Download the sorted CSV.

Everything you need to know about the CSV Sorter.

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%

Choose which columns to keep. Drag to reorder the output. Securely process files in your browser memory with zero data transf