JrTimer — Professional Rubik's Cube & Speedcubing Timer
JrTimer is a free, professional online Rubik's Cube timer with official WCA scrambles, Ao5/Ao12 statistics, 2D/3D cube visualization, Stackmat support, and PWA offline capability.
This application requires JavaScript to run. Please enable JavaScript in your browser to use JrTimer.
Key Features
- WCA scrambles for all events: 2x2, 3x3, 4x4, 5x5, 6x6, 7x7, Megaminx, Pyraminx, Skewb, Square-1, Clock
- Ao5, Ao12, Ao50, Ao100 session statistics with personal best tracking
- Stackmat timer support via microphone input
- 15-second WCA inspection with voice alerts
- Dark mode and multiple visual themes
- Multi-language: English, 繁體中文, 日本語, 한국어, Español, Deutsch, Français
- Works offline as a PWA — install on any device