Text Tools
Remove Duplicate Lines
Deduplicate lines while preserving order.
Runs locally in your browser — your input is not uploaded.
Paste lines to deduplicate.
How to use
- Paste your multiline text.
- Toggle case sensitivity or trimming if needed.
- Click Remove duplicates and copy the cleaned list.
About this tool
Deduplicating lines is useful for cleaning email lists, log excerpts, and tag dumps. ToolForge keeps the first occurrence of each line so original order is preserved.
Examples
Basic dedupe
apple banana apple
apple banana
FAQ
Are blank lines removed?
Blank lines are treated like any other line — the first blank line is kept, later ones are removed if identical.
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