Remove Duplicates & Sort Lines
Duplicate emails, messy order, numbering by hand — tidy any one-item-per-line list exactly how you want.
This tool runs entirely in your browser. Nothing you add is uploaded to any server.
Last checked: · Made by Fingertip Workshop
How to use
- 1
Paste your list, one item per line (a spreadsheet column works too).
- 2
Choose deduping, empty-line removal and a sort order. Results update instantly.
- 3
Add a prefix, suffix, numbers or a join style, then copy.
Handy for…
- Merging mailing lists and removing duplicate emails
- Alphabetizing attendee lists
- Shuffling for presentation order or a prize draw
- Wrapping items in quotes — prefix
', suffix', - Turning a column into one comma-separated line
Natural sorting
Sorting is locale-aware and numeric, so “item2” comes before “item10”. Shuffling uses the Fisher–Yates method, giving every order an equal chance.
FAQ
Are Apple and apple duplicates?
Only with “case-insensitive” on — then the first one is kept.
How many lines can it handle?
Tens of thousands, instantly.
Can I paste from Excel?
Yes — each cell becomes a line, and pasting the result back fills one cell per line.