Remove Duplicate Lines
Keep one copy of repeated lines and remove blanks.
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About this Remove Duplicate Lines
Remove Duplicate Lines cleans lists by keeping the first occurrence of each non-empty trimmed line. It is useful for keyword lists, IDs, URLs, names and any copied data where repeated rows create clutter.
For related tasks, try Duplicate Word Remover, Remove Empty Lines or Text Sorter.
How to use it
- Paste one item per line.
- Select Remove duplicates.
- Copy the cleaned list and review how many rows were removed.
Practical example
A list containing “apple”, “banana”, “apple” becomes two lines: “apple” and “banana”.
Frequently asked questions
Is the comparison case-sensitive?
Yes. “Apple” and “apple” are treated as different lines.
Are blank lines removed?
Yes.
Does it keep the original order?
Yes. The first occurrence remains in its original sequence.
Keep exploring
View category →More Text Tools
Duplicate Word RemoverRemove repeated words while keeping the first occurrence.Remove Empty LinesDelete blank or whitespace-only lines from text.Text SorterSort lines alphabetically, numerically or by length.Whitespace RemoverTrim text and collapse repeated spaces, tabs and blank lines.Word CounterCount words, characters, sentences, paragraphs and reading time.Character CounterCount characters with and without spaces, letters, digits and lines.