Remove Duplicate Lines
Clean lists and text instantly with our remove duplicate lines and remove duplicate lines online tool. This duplicate line remover makes it easy to remove duplicates from text, remove repeated lines, and delete duplicate lines from lists, keywords, URLs, data, or documents. Use the duplicate text remover to remove duplicate text online, remove duplicate entries, or remove duplicate rows. Our tool is also useful for deduplicate lines when cleaning large lists. Wondering how do I remove duplicate lines, how do I remove repeated lines from text, or how can I remove duplicates from a list? Paste your content and clean it instantly.
How to use the Remove Duplicate Lines
- Paste one item per line.
- Choose case-sensitive or ignore-case matching.
Remove Duplicate Lines features and limits
- Keeps original order
- Limitation: lines that differ only by trailing spaces count as different.
How the Remove Duplicate Lines works
Each line is looked up in a set; lines already seen are skipped.
Privacy and browser processing
Your input is processed locally in this page and is not uploaded or stored by Best Web Tools. Your hosting provider may still keep ordinary server logs for page requests.
Frequently asked questions
Does it sort my list?
No. Order is preserved; only later repeats are removed.
Related tools
Browse all Text Tools or return to the Best Web Tools homepage.
Why use the Remove Duplicate Lines?
Email lists, keyword exports and log extracts often contain repeats. Removing them before import avoids double entries and inflated counts.