Duplicate Line Remover & Text Deduplicator
Remove duplicate lines from any list online. Keeps the first occurrence and the original order, with an option for case-insensitive matching.
Tool Configuration Options
What is a Duplicate Line Remover & Text Deduplicator?
A duplicate line remover cleans lists by deleting repeated lines. Paste email lists, keywords, URLs or log lines and the tool keeps only the first copy of each line, in the original order. Turn off case sensitivity to treat "Apple" and "apple" as the same line.
Execution Privacy:Toolbrix processes this utility using🔒 Processed locally — Set deduplication in browser memory.
How to use this Duplicate Line Remover & Text Deduplicator
Paste your list with one item per line.
Choose whether matching should be case sensitive.
Copy the cleaned list from the result.
Frequently Asked Questions
Q:Does it change the order of my lines?
No. The first occurrence of each line stays in its original position.
Q:Are lines with extra spaces treated as duplicates?
Only exact matches are removed. Run the text through the whitespace cleaner first if your lines have stray spaces.
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