What is hidd on Mac?
By Junaid, maker of Taskglass · Last reviewed
Processes input from keyboards, mice, trackpads and other human interface devices.
hidd is the userland part of macOS's HID (Human Interface Device) system. It processes events from keyboards, mice, trackpads and similar devices before they reach the rest of the system. It uses a little CPU whenever you type or move the pointer.
- Category
- macOS system
- Made by
- Apple
- Safe to quit:
- No
Shown in Activity Monitor as hidd
Why is hidd using so much CPU or memory?
- Rapid mouse or trackpad movement, especially with high-polling gaming mice
- A faulty device or cable sending constant events
- Third-party input utilities remapping keys or buttons
What to do
- 1Unplug external input devices one at a time to find a faulty one
- 2Quit input utilities (key remappers, mouse software) to compare
- 3Restart your Mac
Safe to quit? No.
Don't quit it: keyboard and mouse input depend on it.
Related processes
- WindowServerDraws every window, menu and animation you see on screen, and routes your clicks and keystrokes.
- bluetoothdRuns Bluetooth: connects headphones, keyboards, mice and helps nearby Apple devices find each other.
- Logi Options+ (logioptionsplus_agent)Logitech's background agent for customising Logitech mice and keyboards.
Part of the Taskglass Process Library