About this tool
Free Duplicate Line Remover
Use this free Duplicate Line Remover to clean repeated lines from text, keyword lists, URLs, email lists, product SKUs, CSV-style rows, notes, and copied data. Paste your content, choose whether matching should be case-sensitive, trim spaces, remove empty lines, and keep the first or last occurrence. The tool instantly creates a clean unique-line output that you can copy or download for spreadsheets, SEO keyword work, email cleanup, data preparation, and content editing.
Step by step
How to use Duplicate Line Remover
- 1
Paste your text, list, URLs, keywords, emails, or rows into the input box.
- 2
Choose whether duplicate matching should be case-sensitive.
- 3
Turn trim spaces or remove empty lines on if you want cleaner output.
- 4
Choose whether to keep the first or last duplicate occurrence.
- 5
Copy or download the cleaned text without duplicate lines.
Highlights
Duplicate Line Remover features
Remove duplicate lines instantly
Case-sensitive duplicate matching option
Trim leading and trailing spaces
Remove empty lines
Keep first or last occurrence
Copy and download cleaned text
Questions
Duplicate Line Remover FAQ
What does the Duplicate Line Remover do?+
It removes repeated lines from pasted text and returns a clean list of unique lines.
Is this Duplicate Line Remover free?+
Yes. The Duplicate Line Remover is free to use inside WebToolsEdge.
Can I remove duplicates from URLs or keywords?+
Yes. You can clean duplicate URLs, keywords, emails, SKUs, notes, and other line-based text.
Can I keep the last duplicate instead of the first?+
Yes. The tool includes an option to keep either the first occurrence or the last occurrence.