Remove duplicate lines
Keep the first occurrence of each exact line and report every duplicate removed.
- 1Choose
- 2Adjust
- 3Download
Paste or choose your input
Your input stays in this browser while the tool runs.
UTF-8 text · 5 MB text / 24 megapixels image
Processed on this device. No file upload.
How to use Remove duplicate lines
- Paste or choose a text file.
- Review the unique line count and duplicates removed.
- Download the deduplicated text.
Matching is exact and case sensitive. Empty lines are kept once, and the first occurrence determines order.
What stays private, and what are the limits?
Input is processed in this browser and is not uploaded by the tool. Text and CSV inputs are limited to 5 MB; images to 24 megapixels. Your original input is never overwritten. Optional page measurement follows your analytics choice and excludes file names and contents.
Another local task?
Bookmark this page for next time, or copy its link. Shared links contain no files or working input.
Link to this tool: https://www.toolpick.dev/free-tools/text-deduplicate-lines