To record videos without sound from the Sendspark Chrome Extension, simply uncheck the "Share tab audio" at the bottom left of the Recording modal:
If you chose Entire Screen, disable the option Share system audio as well:
You can also mute your microphone entirely when recording a video. Simply click on Settings and toggle the Microphone option off:
Please note:
This will only work when recording with Screen or Both. You can NOT record a face video without sound.
This setting will save to your defaults, so make sure to toggle the sound on again next time you would like to speak while recording! 🔇