Duplicate Line Remover
Remove repeated lines while preserving the original order of everything that remains.
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Input
Matching rules
Output
3duplicates removed8 before · 5 after
Design for people
Build with care
Test every detail
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Stable, order-preserving removal
CorrectTally keeps the first match exactly where it appeared and removes only later duplicates according to your matching rules.
Clear answers
Frequently asked questions
No. The first occurrence stays in its original position, and only later matching lines are removed.
Quick reference
Transformation reference
| Mode | Best for | Example |
|---|---|---|
| Case-sensitive | Exact matching | Item ≠ item |
| Ignore outer spaces | Normalized matching | item = item |
| Empty lines only | Compact spacing | Text duplicates remain |
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