Data drawers
Dedupe Rows
Strip identical lines out of a dataset while preserving the original order.
Dedupe bench
Keep the first unique row
Paste rows, choose the match rule, then copy the unique result.
Paste source rows first
Each line is treated as one row. The first copy stays in its original position.
Paste rows above to see duplicates removed.
Matching rules
Exact compares the full row. Trimmed ignores spaces at the row edges. Ignore case also treats uppercase and lowercase as the same row.
Local only
All cleanup happens in this browser tab. Nothing is uploaded or stored.