About Unit Converter Pro

Version 2.0 — Created by Amar Sura

What is Unit Converter Pro?

Unit Converter Pro is a fast, accurate, and fully offline unit conversion tool built with pure HTML, CSS, and JavaScript. No frameworks, no external libraries, and no data tracking.

Key Features

• ✅ 14 conversion categories (Length, Weight, Temperature, and more)
• ✅ Instant conversion while typing
• ✅ Dark / Light mode with system preference detection
• ✅ Installable as a Progressive Web App (PWA)
• ✅ Works completely offline
• ✅ Favorites and conversion history saved locally

Why I built this

I built this tool to provide a privacy-first, ad-free, and lightning-fast converter that anyone can use without worrying about data collection. All calculations happen directly in your browser.