Text Tools
Remove Duplicate Lines — Free, No Upload, Instant
Paste text and instantly remove repeated lines, keeping the first occurrence of each. Optionally ignore case or trim surrounding whitespace before comparing. Everything runs in your browser — no upload, no account, no tracking.
Frequently Asked Questions
- Does it keep the original order?
- Yes. The first occurrence of each line stays in place; later duplicates are removed.
- What does "ignore case" do?
- It treats "Apple" and "apple" as the same line, removing the later one.
- Is my text sent anywhere?
- No. Everything runs in your browser.