Remove duplicate lines
Clean up a list by removing repeated lines, with optional case matching.
Text & writingSort lines alphabetically or numerically, in either direction.
Ready when you are.
Using the default settings. You can try the same input in the workspace.
item 20 item 3 item 1
item 1 item 20 item 3
Put one item on each line. Choose alphabetical or natural-number sorting and whether to reverse the order.
Natural sorting treats embedded digits as numbers. Sorting is locale-aware and may vary slightly between browsers.
Choose Natural numbers. Alphabetical sorting compares text; natural sorting interprets embedded digit sequences as numbers.
No. This tool processes your input in your browser. We don't store your text, files or results. Standard website access logs are separate; read our privacy notes.
Yes. No account, subscription or usage credits are required.
Use Copy or Download after running the tool. Inputs are not saved automatically and disappear when you leave or refresh the page.
Something not right? Report a problem with this tool. Include the steps, but never passwords or private input.