What aggregations are supported?

SUM, COUNT, AVG, MIN, MAX, and DISTINCT COUNT.

Can I have multiple value columns?

Yes — add multiple value fields each with independent aggregations.

No. Everything runs locally in your browser.

Process files up to the browser memory limit.

Yes — apply row filters before the pivot is computed.

Create pivot tables from CSV data with drag-and-drop rows, columns, and values. Processed entirely in your browser for 100% d

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

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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