Control Displays - ddcutil DDC/CI Command | Online Free DevTools by Hexmos
Control display settings with ddcutil, a DDC/CI command-line tool. Adjust brightness, contrast, and more. Free online tool, no registration required.
ddcutil
Control the settings of connected displays via DDC/CI. This command requires the kernel module
i2c-devto be loaded. See also:modprobe. More information: https://www.ddcutil.com.
- List all compatible displays:
ddcutil detect
- Change the brightness (option 0x10) of display 1 to 50%:
ddcutil {{[-d|--display]}} {{1}} setvcp {{10}} {{50}}
- Increase the contrast (option 0x12) of display 1 by 5%:
ddcutil {{[-d|--display]}} {{1}} setvcp {{12}} {{+}} {{5}}
- Read the settings of display 1:
ddcutil {{[-d|--display]}} {{1}} getvcp {{ALL}}