🧹 Remove Duplicates
Remove duplicate lines from text with sorting and trimming options
🔒 Your image never leaves your device. All processing happens locally in your browser using JavaScript Set-based deduplication. No upload, no server, no tracking.
Features
- Smart Deduplication — Remove duplicate lines with options for case sensitivity, whitespace trimming, and output sorting.
- Statistics — See how many original, unique, and duplicate lines were found.
- Flexible Options — Toggle case sensitivity, whitespace trimming, and alphabetical sorting.
- Copy & Download — Copy the deduplicated result or download as a text file.
How It Works
- Paste your text — Enter text with duplicate lines — one item per line.
- Configure options — Set case sensitivity, trim whitespace, and sort preferences.
- Get unique lines — Click Remove Duplicates and copy or download the result.
Use Cases
- Deduplicate email lists before sending campaigns
- Clean up copied data with repeated entries
- Remove duplicate log entries for analysis
Frequently Asked Questions
Is the comparison case-sensitive by default?
Yes. Toggle the Case Sensitive option off to treat 'Hello' and 'hello' as duplicates.
Does it preserve the original order?
Yes, by default. Enable Sort Output to alphabetically sort the unique lines.
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