Line Deduper & Sorter
Remove duplicate lines, clean whitespace and sort text lists for keywords, IDs, names and logs.
FreeBrowserAbout Line Deduper & Sorter
Remove repeated lines from a pasted list and optionally trim, discard empty lines or sort the result. Choose comparison settings to retain the distinctions that matter in your data.
When to use this tool
- Clean a list of IDs or domains.
- Remove repeated rows from a copied text column.
Limits to know before using it
Each line is treated as one value, not as a CSV row with parsed fields. Trimming or case-insensitive comparison can merge values you intended to keep distinct.
Data handling and cost
The main operation runs in your browser; tool input is not uploaded for processing. The site can still use session cookies and collect operational or usage data as described in the privacy policy.
Free to use in your browser, with no sign-in needed.
Frequently Asked Questions
No. Deduplication, trimming, empty-line removal, and sorting all run locally in your browser. The text is not uploaded.
By default, exact line text is used. You can trim lines before comparison and ignore case for duplicate detection while preserving the first kept line's original casing.
Yes. Leave sorting set to none to preserve the first occurrence order after filtering. Choose ascending or descending only when you want a sorted output.