Free Online Remove Duplicate Characters Tool

The Remove Duplicate Characters Tool instantly deletes repeating characters from your text while keeping the first occurrence of each character. Whether it's cleaning messy data, preparing unique character lists, or simplifying strings for coding — this tool works instantly in your browser.

Example:

Input: programming
Output: progamin

It supports letters, numbers, symbols, and spaces, ensuring your text remains readable while eliminating unnecessary duplicates. No data is uploaded — it’s secure and fast directly in your browser.