Line Sorter & Deduplicator
Sort a list of lines alphabetically, remove duplicate lines, and trim whitespace — in any combination. Case-sensitive or not. Processed in your browser.
- Runs entirely in your browser
- No sign-up, no watermark
- Free and unlimited
🔒 Your file stays on your device
How to use Line Sorter & Deduplicator
- 1
Open Line Sorter & Deduplicator and paste or type your text into the input box.
- 2
Adjust any options to match what you need.
- 3
The result updates instantly below — copy it with one click.
What you get
- Sort A→Z / Z→A / keep order
- Remove duplicate lines
- Trim whitespace, drop blank lines
- Optional case-insensitive matching
What happens to your files
This tool runs entirely in your browser. The file you choose is read into memory, processed on your device, and offered back as a download. Nothing is uploaded and nothing is kept once you leave the page.
There is no account, no email, no watermark and no daily limit. Come back whenever you need it.
Frequently asked questions
- Does it sort numbers correctly?
- Yes — sorting is natural/numeric-aware, so "item2" comes before "item10".