Duplicate Remover- Clean list, CSV, JSON and more - Clean lists, CSV, JSON and more

Duplicate Remover

Remove duplicates from text, lists, CSV, JSON, and more. Process data locally in your browser.

Input

Duplicate Detection

Exact match (case-sensitive) Ignore case (Apple = apple) Trim spaces (ignore leading/trailing spaces)

Processing Options

Keep first occurrence Keep last occurrence Sort result alphabetically Remove empty lines

Output Format

Input Items 0

Output Items 0

Duplicates Found 0

Reduction 0%

Result (No Duplicates)

0 items

Tip: Works with any text format – lists, CSV data, JSON arrays, or simple text. The tool will automatically detect and remove duplicate entries while preserving the original order (unless you choose to sort).