timer

JrTimer

JrTimer

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info About JrTimer

JrTimer is a professional, open-source speedcubing web application built for cubers of all skill levels. Built with pure front-end web standards (HTML5, Vanilla CSS/Tailwind, ES6 JS, IndexedDB, Web Audio API), JrTimer delivers desktop-class performance without server dependency.

100% Private & Local

Your solve times, session stats, and custom settings are stored exclusively on your device using IndexedDB. No user accounts, tracking cookies, or external server uploads.

Offline PWA Capable

Install JrTimer directly to your home screen or desktop. Works 100% offline at competitions, on flights, or anywhere without an internet connection.

Ao5

Ao12

Best

Ao100