Keyboard shortcuts

Chrome extension

Shortcut Function
SHIFT Toggle on/off (it only works for transliteration and IMEs)
ALT + SHIFT Switch to next (if the extension is off, turn it on; if the current input tool is the last tool in the list, turn the extension off)
CONTROL + G Switch between the latest used two input methods (if none, turn off the extension)
Chinese IMEs only:
SHIFT Switch between English and Chinese mode
SHIFT + SPACE Switch between single-byte characters and double-byte characters mode
CTRL + . Switch between single-byte characters and double-byte characters punctuations mode

Chrome OS extension

Note that the following shortcuts are not only for Input Tools specifically, but for all input methods on the operating system.

Shortcut Function
ALT + SHIFT Switch to next
CTRL + SPACE Switch between the latest used input methods