Text & Writing100% Free Tool

Free Remove Duplicate Lines Online

Remove duplicate lines from any text list, optionally ignoring case, trimming whitespace, and sorting alphabetically. Shows count of duplicates removed. — 100% free online utility, zero sign-up, zero paywalls, and private client-side processing.

100% Client-Side0ms Latency
Text Analysis Engine
Characters80
Words10
Lines1
Reading Time~1 min

How It Works

1

Paste Text

Enter your text with duplicate lines.

2

Set Options

Toggle case-insensitive matching, trim whitespace, and sort alphabetically.

3

Remove Duplicates

Click to deduplicate and see how many lines were removed.

4

Copy Result

Copy the unique lines to clipboard.

Frequently Asked Questions

Yes. By default, the first occurrence of each line is kept and subsequent duplicates are removed, preserving original order. Enable 'Sort alphabetically' to get alphabetically ordered unique lines.

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