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Remove Duplicate Lines
Keep the first unique line while preserving your list order.
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Whitespace Cleaner
Fix extra spaces, tabs, line endings and unwanted blank lines.
Cleanup is performed locally.
- Runs on this device
- Paste or type input
- Download results
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About this tool
Normalise inconsistent whitespace while choosing exactly which leading, trailing, repeated and blank spacing rules to apply.
Your content
Cleanup is performed locally. What you enter is not included in analytics or monitoring.
How to use Whitespace Cleaner
- 1Paste text with inconsistent spacing.
- 2Select only the cleanup rules you need.
- 3Review the change summary, then copy or download.
Common uses
- Cleaning content from PDFs
- Normalising copied data
- Preparing plain-text documentation
Limitations
- Collapsing spaces can change intentionally aligned plain text.
- Paragraph preservation uses blank lines as paragraph boundaries.
FAQs
Will paragraph breaks be lost?
Not when paragraph preservation is enabled; repeated blank lines are reduced without joining paragraphs.
Can tabs become a chosen number of spaces?
Yes. Choose the tab width before cleaning.
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