Deduped text ready

Text Deduper

Remove duplicate lines with case-insensitive and trim options. Keep order and copy the cleaned result.

Drag & drop a .txt or .csv file
Total: 7Non-blank: 7Unique: 3Duplicates removed: 4Blank removed: 0

Deduped text

Removed lines: 4
Apple
banana
Orange

Duplicate analytics

Frequency table with counts based on your current options.

LineCount
Apple2
banana2
Orange3

How to use

  1. Paste your text and choose options (case-insensitive, trim, keep blanks, sort, normalize).
  2. Use samples to test patterns; review counts for total vs unique lines.
  3. Copy or download the deduped output; leave sort off to preserve original order.

FAQ & privacy

Does this run locally? Yes. Processing happens in your browser.

How are duplicates handled? The first occurrence is kept; duplicates are removed based on your options.

Can I keep blank lines? Yes. Toggle “Keep blank lines” to preserve empty lines.