Crow Tech

Free utility

CSV Deduplicator

Remove duplicate parsed records using selected key columns.

All free utilities

Processing stays on this device. Your input is not uploaded, sent to an external service, or saved by Crow Tech.

Workbench

Inputs stay on this page. Use the explicit action to validate and produce a result.

Deduplication uses exact parsed cell values for the chosen header columns. The JSON result includes input, output, and removed row counts.