Apps / Text & Developer Tools / Text Line Deduplicator

🧹 Text Line Deduplicator

Paste text, one item per line. Choose case-sensitive or case-insensitive matching and whether to keep the first or last occurrence of each duplicate — then see exactly which lines were removed.

1. Input

2. Options

3. Deduplicated text

4. Removed-lines report

Every duplicate line, with the original line number it matched.

Run Deduplicate to see a report here.