Paste a list to remove repeated and empty lines, trim stray spaces and sort it, then copy the clean list.
The cleaned list appears here.
Ctrl+F search · Ctrl+↵ copy result · Ctrl+Shift+F result to input · Esc then Tab leaves the editor
Only if you tick Trim spaces from each line. Ignoring spaces or case only affects which lines count as duplicates; the kept line stays exactly as written.
Files up to 10 MB can be opened. Very long lists can take longer to process or make the repeated-line list slower to browse; split the input if your device struggles.
Yes. Untick Remove duplicates and open Repeated lines above the result to see up to 50 of the most repeated lines, with their counts. Cleanup and totals still cover all input lines.
No. Everything runs in your browser. Nothing is sent or stored.
Guides, common conversions and useful next steps.
Use the action beside a finished result to send it directly, or open another tool: