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Clean and Deduplicate Data Lines

Remove duplicate lines, trim whitespace, and normalise text data from CSV exports and logs.

No login required
Input Β· 7 lines
Sorted Β· 7 lines
apple banana cherry date elderberry fig grape

Data Cleanup tips

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Paste raw data exports with inconsistent whitespace. Enable "Trim whitespace" and "Remove duplicates" to produce a clean, unique set of values.

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Log files often contain repeated identical lines. Sort + deduplicate to get a unique list of error messages or events for analysis.

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Excel/Sheets exports sometimes have trailing spaces that break lookups. Trim whitespace here before re-importing for reliable data joins.

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Remove empty lines to compact your data. The option strips any blank lines β€” including lines that are only whitespace after trimming.

How It Works

1
Enter
Enter your data into the tool above. Everything stays local to your browser.
2
Process
The tool processes your data instantly in your browser using JavaScript. No server, no waiting.
3
Download
Get your result instantly. Nothing is stored after you leave the page β€” complete privacy.

Why use ours?

βœ“Completely free β€” no hidden costs, ever
βœ“No account, email, or login required
βœ“Files never leave your device
βœ“No file size limits whatsoever
βœ“No watermarks on any output

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Frequently Asked Questions