Recently I was working on my online tools website toolsonline.run and decided to build a Text Similarity Checker — a tool that compares two texts and shows you exactly how similar they are.

Why I Built This

I kept running into situations where I needed to compare two blocks of text:

Writing : Checking if I accidentally repeated paragraphs in a long article

SEO : Detecting duplicate content across pages

Translation : Comparing different versions of a translated text

Code review : Spotting similar code snippets

Most existing tools require registration, file uploads, or charge a fee.…