EvenSteven: How I Engineered a Private, Simple & Framework-Free Bill Splitter
EvenSteven is a fast, privacy-first web application that makes splitting expenses simple, fair, and visually seamless - without requiring any login, server, or external dependencies. Designed as a fully client-side single-page app, it handles everything from equal splits to complex custom contributions across multiple currencies. With a clean tab-based interface, smart settlement logic, and a responsive dark-theme UI, EvenSteven runs entirely in your browser, processes all data locally, and is optimized for both desktop and mobile (including one-handed mode). It’s a professional-grade tool built with pure HTML, CSS, and JavaScript proving you don’t need a backend or a bloated framework to deliver a powerful user experience.