List Cleaner (Sort & Dedupe)
Sort, deduplicate, and clean up a line-delimited list.
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List Cleaner — Sort, Dedupe & Clean Lists
Paste any line-delimited list — emails, tags, names — and sort it A-Z, remove duplicates and empty lines, trim stray spaces, or reverse the order, all instantly.
Quick answer: List Cleaner
List Cleaner takes any line-delimited list — emails, tags, names, keywords — and sorts, deduplicates, trims, and reformats it. Paste the list, toggle the options you need, and copy the cleaned result.
- Input
- A line-delimited list, one item per line.
- Output
- The same list, sorted and/or deduplicated per the chosen options.
- Know before use
- Deduplication compares whole lines, not fuzzy matches — "John Doe" and "john doe " are only merged when case-sensitivity is off and trimming is on.
- ✓100% free, no sign-up required
- ✓Runs entirely in your browser — no file upload to server
- ✓A-Z, Z-A, natural (numeric-aware), length, or shuffle sort
- ✓Case-sensitive or case-insensitive duplicate removal
- ✓Privacy-first: your data never leaves your device
How to Use
- 1Prepare the input
A line-delimited list, one item per line.
- 2Configure and process
List Cleaner takes any line-delimited list — emails, tags, names, keywords — and sorts, deduplicates, trims, and reformats it. Paste the list, toggle the options you need, and copy the cleaned result.
- 3Review the result
The same list, sorted and/or deduplicated per the chosen options.
What do I need to use List Cleaner?
A line-delimited list, one item per line.
What does List Cleaner produce?
The same list, sorted and/or deduplicated per the chosen options.
What are the limitations of List Cleaner?
Deduplication compares whole lines, not fuzzy matches — "John Doe" and "john doe " are only merged when case-sensitivity is off and trimming is on.