Remove duplicate lines from any list or text instantly. Case-sensitive option, empty line removal and live duplicate count. Free, runs in your browser — no data sent to a server.
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Sort lines of text alphabetically, in reverse order or by natural sort. Case-sensitive option and empty line removal included. Free, runs in your browser — no data sent to a server.
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A free online duplicate line remover that cleans any list or text in one paste. Keeps the first occurrence of each line and deletes the rest — with a live count of removed duplicates. Supports case-sensitive comparison and empty line removal. Runs entirely in your browser — no data is sent to any server.
Paste your list into the duplicate line remover
Type or paste any text into the input field — one item per line. The tool works with lists, logs, datasets, email addresses or any line-separated content.
Choose case sensitivity if needed
By default the tool treats 'Apple' and 'apple' as duplicates. Enable Case sensitive to keep them as separate unique lines — useful for code identifiers and filenames.
Optionally remove empty lines
Toggle Remove empty lines to strip blank lines from the output along with duplicates — useful when cleaning up exported data or pasted lists with irregular spacing.
Copy the deduplicated result
The output updates instantly. A counter shows how many duplicate lines were removed. Click Copy to grab the clean list and paste it wherever you need it.
Paste your text into the input field — duplicates are removed instantly, keeping the first occurrence of each line. A counter shows how many lines were removed. Click Copy to grab the clean result.
Yes. By default 'Apple' and 'apple' are treated as duplicates. Enable Case sensitive to compare lines exactly as written — useful for code, filenames and identifiers where capitalisation matters.
Yes. Toggle Remove empty lines to strip blank lines from the output at the same time. This is useful when cleaning exported CSVs, log files or pasted lists with irregular blank lines.
No. All processing happens locally in your browser — no text is transmitted to any server. The tool works offline and your content stays entirely on your device.
Any line-separated content: email lists, URLs, product names, log entries, code lines, keywords or exported spreadsheet data. Paste the list, remove duplicates, copy the result — no formatting required.