Process files up to the browser memory limit.

Are date columns sorted correctly?

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

CSV Sorter

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.

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.

Is my file uploaded?

No. Everything runs locally in your browser.

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