Quick instructions
Paste a list, choose comparison options and remove duplicate lines. Copy or save the result.
Text
Remove duplicate lines
Clean duplicate and empty lines from lists while preserving the original order. Free, no sign-up, right in your browser.
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Questions about this tool
How does this tool work: Remove duplicate lines?
Free, no sign-up, right in your browser. Paste a list, choose comparison options and remove duplicate lines. Copy or save the result.
Which duplicate line is kept?
The first occurrence stays in its original position. You can trim line edges, skip empty lines and ignore case. The list is not sorted.
What inputs, outputs and limits apply?
Input: A list with one item per line. Output: Cleaned list in original order; TXT download. Limits: At most 500,000 characters. Keeps the first occurrence. Optional trimming affects line edges; case comparison follows the page language. Output uses LF line endings.
Instructions, example and file limits
Formats, inputs and limits
- Input
- A list with one item per line
- Output
- Cleaned list in original order; TXT download
- Limits & notes
- At most 500,000 characters. Keeps the first occurrence. Optional trimming affects line edges; case comparison follows the page language. Output uses LF line endings.
Practical example
Three lines containing apple, pear, apple become two lines: apple and pear.
Additional notes
Good to know
These tools do not send your inputs to a server. Your web host processes technical connection data when you visit the site.
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