Mute shutter sound
For Windows:
To mute the shutter sound made by the Gyazo application, please open GyStation by right clicking the Gyazo icon in the task bar or notification, then uncheck the "Play Sound on capture" box.
For Mac:
To mute the shutter sound made by the Gyazo application, please open Gyazo Menu then disable the "Shutter sound".
Note: The sound can either be on or off and the volume can't be adjusted at this time.