🗑️
Duplicate Line Remover
Remove duplicate lines from text while keeping the first occurrence and original order.
Frequently Asked Questions
Which duplicate is kept?
The first occurrence of each line is kept, and later duplicates are removed. The original order is preserved.
What does "case sensitive" do?
When enabled, "Apple" and "apple" are treated as different lines. When disabled, they are considered duplicates and only the first is kept.
Is my text uploaded anywhere?
No. All processing happens in your browser. Your text never leaves your device.
Related Tools
⚡ Popular
📊
Word Counter
Count words, characters, sentences, and paragraphs. Get reading time estimates.
textUse tool →
🧹
Remove Extra Spaces
Clean up text by removing extra spaces, tabs, and blank lines.
textUse tool →
⚡ Popular
Aa
Text Case Converter
Convert text to uppercase, lowercase, title case, camelCase, and more.
textUse tool →
🔗
Text to Slug
Convert any text into a URL-friendly slug for SEO and links.
textUse tool →