Remove Duplicate Lines

Keep only unique lines with optional case sensitivity

Original
Without Duplicates

Keep Only Unique Lines

Paste lists, logs, or exported text and remove duplicates with one click. Choose case‑sensitive comparison and trim trailing spaces for cleaner results.

Great for

FAQs

What defines a duplicate?
Two lines are duplicates if their full text matches (optionally case‑insensitive) after optional trimming.
Does it preserve order?
Yes. The first occurrence is kept; later duplicates are removed.
Any size limits?
It runs locally; large inputs are fine but may be limited by your browser memory.

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