Process thousands of lines instantly with our optimized algorithm.
Your data never leaves your browser. No server processing needed.
Sort results, preserve empty lines, and more customization options.
The tool processes your text line by line, keeping only the first occurrence of each unique line while removing all subsequent duplicates. It preserves the original order of your text while eliminating repetitions.
Yes, the tool can handle large amounts of text efficiently. However, extremely large files (several MB) might slow down your browser as all processing happens client-side.
Absolutely! All processing happens in your browser. Your text is never sent to any server, ensuring complete privacy and security for your data.
Yes, the tool treats empty lines as unique content by default. If you have multiple empty lines and want to keep just one, you can enable the "Remove duplicate empty lines" option.