About UnitToolbox – Universal Unit Converter

Welcome to UnitToolbox, your trusted and user-friendly online unit converter, created by Astro Photons Apps and indie developer Paweł Białecki. Our mission is to make unit conversions fast, accurate, and accessible for everyone – whether you're a student, engineer, DIY enthusiast, or just need a quick answer.

Who We Are

UnitToolbox is a project by Astro Photons Apps, an award-winning indie app studio founded by Paweł Białecki. With over a decade of experience in iOS and web development, and more than 3 million app downloads worldwide, Paweł brings a passion for technology, precision, and user experience to every project.

Meet the Creator: Paweł Białecki

Paweł is a seasoned software engineer, iOS developer, and the driving force behind Astro Photons Apps. His journey began in 2013, fueled by a love for technology and a fascination with space. Over the years, he has built a diverse portfolio of successful apps, including popular entertainment and utility tools, all while maintaining a strong focus on quality, innovation, and user satisfaction.

"I believe that technology should make life easier and more enjoyable. With UnitToolbox, my goal is to provide a reliable, fast, and beautifully simple tool that helps people around the world with everyday conversions."
— Paweł Białecki, Founder

Our Mission & Values

• Expertise & Precision: Every converter is built with attention to detail and accuracy, using up-to-date formulas and standards.
• User-Centric Design: We prioritize simplicity, speed, and accessibility, ensuring UnitToolbox works seamlessly on any device.
• Innovation: We continuously improve our tools, incorporating the latest technologies and listening to user feedback.
• Trust & Transparency: No hidden fees, no login required, no tracking – just a free, reliable tool you can trust.

Why Choose UnitToolbox?

• Fast & Accurate: Instantly convert between dozens of units – length, weight, area, volume, temperature, and more.
• Mobile-Friendly: Designed to work perfectly on smartphones, tablets, and desktops.
• SEO-Optimized Content: Each conversion page includes clear explanations, formulas, tables, and FAQs to help you learn and find answers quickly.
• Free Forever: UnitToolbox is and always will be 100% free to use.

Our Story

UnitToolbox was born out of a simple need: a clean, fast, and trustworthy unit converter that works everywhere. Frustrated by cluttered, ad-heavy sites, Paweł decided to build a better solution – one that combines technical excellence with a delightful user experience.

Backed by the expertise of Astro Photons Apps, UnitToolbox quickly grew into a comprehensive platform, helping thousands of users every day convert measurements for school, work, and life.

About Astro Photons Apps

Astro Photons Apps is an independent software studio based in Poland, dedicated to creating innovative, high-quality apps for iOS and the web. With a passion for both technology and creativity, we've reached millions of users worldwide and continue to push the boundaries of what's possible in digital tools and entertainment.

Learn more: Astro Photons Apps – About & Vision

Contact & Feedback

We love hearing from our users! If you have questions, suggestions, or just want to say hello, reach out at:

• Email: contact@astrophotonsapps.com

Thank you for using UnitToolbox!
We're committed to making your conversions easy, accurate, and enjoyable – every time.