CHECK 01
IDENTITY MATCH
Model, mode, and DIP state are compared immediately before writing.
HHKB remapping, directly in your browser.
K
KEYMAP MATRIX / BASE
AWAITING HARDWARE LINK
ARROWS NAVIGATE / ENTER SELECTS
PENDING QUEUE
0No staged changes. Select a key above to begin.
WORKSPACE 02 / FILE OPERATIONS
KEYMAP ARCHIVE
EXPORT / CURRENT DEVICE
Back up both keymap layers
Save the current baseline and keyboard metadata as a portable JSON archive.
IMPORT / STAGING AREA
Validate a keymap archive
Importing only stages changes. It never writes directly to the keyboard.
FACTORY LAYOUT
Stages the official default for this model and DIP switch state.
USB CONFIGURATION LINK
Use a USB data cable, then press Fn + Ctrl + 0 to select USB mode. Bluetooth cannot expose the configuration interface.
CHECK 02
BASELINE + READBACK
Both current layers must match, and written bytes are read back.
CHANNEL
LOCAL WEBHID
No extension, account, or remote keymap database is used.
LINUX DEVICE ACCESS
Chrome needs permission to open the keyboard's hidraw
configuration interface.
1 / Create a PFU device rule:
sudo tee /etc/udev/rules.d/99-hhkb.rules > /dev/null <<'EOF'
KERNEL=="hidraw*", ATTRS{idVendor}=="04fe", MODE="0666"
EOF2 / Reload rules, then reconnect the keyboard:
sudo udevadm control --reload-rules
sudo udevadm triggerSYSTEM INFORMATION
About this tool
PRO HYBRID
English Professional Hybrid and Hybrid Type-S keyboards with Base and Fn layers.
CHROMIUM
Chrome, Edge, and Opera on Linux, macOS, and Windows.
PORTABLE LINKS
Compact previews require an explicit read, stage, review, and write sequence.