How to Remove Duplicate Lines from Text
Clean up lists and text by removing repeated lines while keeping the first of each.
Kinsutools
Remove Duplicate Lines — free, no sign-up
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How to Remove Duplicate Lines
Step 1: Open the Remove Duplicate Lines tool Go to the Kinsutools Remove Duplicate Lines tool.
Step 2: Paste your text Paste a list or block of text with one item per line.
Step 3: Copy the cleaned result Duplicate lines are removed instantly, keeping the first occurrence of each. Copy the de-duplicated text with one click.
Common Uses
- Cleaning up email or keyword lists
- De-duplicating logs or exported data
- Tidying CSV columns pasted as text
Good to Know
Matching is case-sensitive, so "Apple" and "apple" are treated as different lines. To also reorder the list, pair this with the Sort Lines tool. Everything runs in your browser — your text is never uploaded.
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