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

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Ao100