Henrik Gemal

This Firefox add-on can validate webpages using validator.w3.org. It simplifies web development and ensures that websites meet accessibility and international standards.

Closy by Mozilla is a simple extension that allows users to easily close all duplicate tabs and all about:blank tabs. Its intuitive interface makes it user-friendly, ensuring efficient browsing.

Slashy is a Firefox add-on that corrects backlash file separators in links and images, enhancing the user's browsing experience.