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Remove Duplicate Lines – Free Online Tool
Quick answer: Remove duplicate lines, sort lines A to Z, reverse order and delete empty lines.
About this tool
Clean up lists such as emails, keywords, URLs or log lines. Paste one item per line, then remove duplicates, sort alphabetically, reverse the order or strip blank lines.
How to use the Remove Duplicate Lines
- Enter your text, choose your file or set the options in the tool above.
- Click the action button for the result you want.
- Copy or download the output. Nothing leaves your device.
Why use ToolWorlds?
- Free, with no registration
- Private: runs in your browser
- Works on phones, tablets and desktops
Frequently asked questions
- Is the comparison case-sensitive?
- Yes. Apple and apple are treated as different lines.
- Does it keep the original order?
- Yes. Remove duplicates keeps the first occurrence of each line in its original position.
- Is my data safe?
- Yes. Processing happens in your browser. Nothing you enter is sent to our servers.
- Is it free?
- Yes. It is free, with no sign-up or usage limit.
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