Duplicate Line Remover

How to use Duplicate Line Remover

1. Paste one item per line.
2. Choose whitespace and case matching behaviour.
3. Process and review which first occurrence was preserved.

Example

apple
banana
apple

Limits, privacy and troubleshooting

200,000 characters. Case and whitespace matching are configurable.

When something goes wrong

Case-insensitive matching can collapse distinct identifiers. Use exact matching for sensitive data.

Your inputs are processed in your browser. Engine files may download from this site, but private input data is not uploaded. Reset clears this session; delete downloads separately. Privacy details.

Related tools

• Image to Text Extractor — Recognize English text from an image using a local OCR engine.
• Word & Character Counter — Count words, Unicode characters, lines, sentences and estimated reading time.
• Text Cleanup Tool — Normalize whitespace, trim lines and remove empty lines from pasted text.
• List Sorter — Sort lines alphabetically or naturally, with ascending and descending modes.

Before you use the result

Keep a copy of your original. Check the output using the app or website where you intend to use it. A successful conversion does not guarantee acceptance by another service.

Are these tools free?

Yes. No account or payment is required. Browser memory and the input limits shown on each tool determine what can be processed.

Where are my files processed?

On your device. OCR and video tools load their engines from this website. The direct-video downloader connects to the URL you provide. Read the privacy policy.