Remove Duplicate Lines

Clean lists by trimming, removing blanks, deduplicating, and sorting lines.

Remove Duplicate Lines

Clean lists by trimming, removing blanks, deduplicating, and sorting lines. Your text is processed locally in your browser and is never uploaded to a server.

How this tool works

Paste one item per line to trim whitespace, remove blank lines, keep the first occurrence of each item, and optionally sort the result. Your text is processed locally in your browser and is never uploaded to a server. You can paste text or load supported text and document files, including TXT, Markdown, CSV, HTML, PDF, and DOCX.

Frequently Asked Questions (FAQ)

Clean lists by trimming, removing blanks, deduplicating, and sorting lines.

No. Your text is processed locally in your browser and is never uploaded to a server.

Yes. You can paste text or load supported text and document files, including TXT, Markdown, CSV, HTML, PDF, and DOCX.