Vial is a free, open-source keyboard configuration application designed for customizing compatible mechanical keyboards in real time. It provides a graphical interface for remapping keys without recompiling or reflashing firmware. Based on QMK, the software supports multiple keyboard layers and advanced key behaviors. Users can create macros, configure key combinations, and assign different actions to tapping or holding keys. It also provides access to supported QMK settings and specialized keycodes. Changes are stored on compatible keyboards, allowing customized layouts to work across computers. Vial automatically recognizes supported keyboards and displays their available configuration options. Available for Windows, macOS, and Linux, it simplifies advanced keyboard customization.
Features
- Real-time keyboard remapping without rebuilding or reflashing firmware
- Multiple programmable keyboard layers with customizable key assignments
- Macro recording and editing for automated keyboard input sequences
- Tap Dance configuration with separate tap, hold, and double-tap actions
- Custom key combinations and advanced QMK behavior configuration
- Automatic compatible keyboard detection with onboard configuration storage