Duplicate table row checker

Duplicate table row checker: purpose and instructions

Find exactly matching TSV rows and retain their original line numbers. Calculate locally and copy the result; inputs are not saved automatically.

How to use

  1. Enter the values and check their units and conditions.
  2. Paste data in the field order, review the result, then copy or print.

Frequently asked questions

Is data saved or uploaded?
Inputs are processed in browser memory on this page and cleared on refresh or departure.