List converter
Clean and convert line-based lists: sort, remove duplicates, trim whitespace, drop empty lines, and lowercase entries in one pass.
Converted list
Enter one item per line.// About this tool
Tidy pasted lists before using them in scripts, spreadsheets, or queries. Toggle the cleaning options and copy the normalized result. The cleaned list is ready to paste anywhere.
// How to use it
- Paste one item per line.
- Enable sorting, deduplication, trimming, or lowercase.
- Copy the cleaned list.
// Frequently asked questions
Is sorting case-sensitive?
Sorting uses locale-aware comparison; enable lowercase first if you need case-insensitive order.
Is my list uploaded?
No. All processing happens locally in your browser.