How to Set Up a Webcam on macOS

Setting up a webcam on a Mac takes three steps: connect the camera, allow apps to use it, and choose the correct camera in each app. This guide covers the built-in camera, external USB webcams and an iPhone used through Continuity Camera.

Before you start

• Know which camera you will use: the Mac's built-in camera, an external USB webcam, or an iPhone through Continuity Camera.
• Most external USB webcams use the standard UVC video class, which macOS supports without extra drivers. Some manufacturers offer optional companion software for settings like zoom or exposure. Check the product documentation to see whether your model needs it.
• Continuity Camera requires macOS Ventura or later on the Mac and iOS 16 or later on the iPhone, with both devices signed in to the same Apple Account. Check Apple's current requirements for supported models.
• Note your macOS version. Ventura and later use System Settings. Earlier versions use System Preferences, and the menu names differ.
• On a managed work or school Mac, an administrator profile may restrict camera access. You may need to ask IT before changing anything.

The connection between the camera and macOS is local. What happens to the video next depends on the app. Video call services send your video to their servers, and webcam test websites may process video in the browser or upload it. Check each app's or site's privacy information to confirm how it handles video and recordings.

Step-by-step instructions

1. Connect the camera

For an external webcam, plug it directly into a USB port on the Mac. If you need an adapter or hub, try a powered hub, because unpowered hubs can struggle to supply some cameras. On a laptop with Apple silicon, macOS may ask whether to allow a new accessory to connect. Choose Allow, or the camera will not appear. For Continuity Camera, keep the iPhone close to the Mac, locked, and mounted steadily.

2. Confirm that macOS detects it

Hold Option, open the Apple menu, and choose System Information. Under Hardware, select Camera to see the cameras macOS recognizes. An external webcam may also appear under USB. If the camera is not listed in either place, the problem is the connection, not app settings. Skip to the troubleshooting section.

3. Grant camera permission

The first time an app requests the camera, macOS shows a prompt. Choose Allow. If you declined earlier, change it here:

• macOS Ventura and later: System Settings > Privacy & Security > Camera, then turn on the switch next to the app.
• macOS Monterey and earlier: System Preferences > Security & Privacy > Privacy tab > Camera, click the lock to make changes, then select the app's checkbox.
• After changing the setting, quit and reopen the app if it asks you to or still cannot see the camera.

Browsers need two permissions: the macOS camera permission for the browser itself, and a per-website permission inside the browser. If a website shows a blank video area, check both.

4. Choose the selected camera in each app

macOS has no system-wide default webcam. Each app keeps its own camera choice, so set it in every app you use:

• FaceTime: open the Video menu in the menu bar and pick the camera.
• Photo Booth: open the Camera menu in the menu bar and pick the camera.
• QuickTime Player: choose File > New Movie Recording, then click the arrow next to the record button and pick the camera.
• Video call apps and browsers: look for camera or video options in the app's settings or in the call preview. Wording varies by app and version.

5. Adjust image settings and lighting

macOS has no central control for webcam resolution or frame rate. The app requests a video format, and the camera provides one it supports. Many call apps adjust quality based on network conditions. If your webcam's software offers manual exposure, white balance or format controls, use those. On recent macOS versions, a Video Effects option appears in the menu bar or Control Center while the camera is in use. It may include effects such as Portrait or Center Stage, depending on the camera and Mac.

Lighting often affects image quality more than any setting. Face a window or lamp instead of sitting with a bright light behind you, and avoid mixing very different light sources. In dim light, many webcams lower the frame rate or add noise to keep the image bright.

Check the output

• Open Photo Booth or FaceTime and confirm that the preview shows the camera you selected. Move in front of it so you know it is live and not a frozen frame.
• On Macs with a built-in camera, a green light next to the camera turns on whenever that camera is active. This light shows activity of the built-in camera only.
• To check what an app actually records, make a short clip in QuickTime Player, then choose Window > Show Movie Inspector to see the clip's format and dimensions.
• The camera's advertised maximum resolution and frame rate are upper limits. Each app may use a lower format, and video sent through a call service is usually compressed further. Judge call quality from the call itself, not from a local recording.

Common problems and next steps

The camera is not listed in System Information. Try another port and cable, connect it without a hub, and restart the Mac. On Apple silicon laptops, disconnect and reconnect the camera, and allow the accessory if macOS prompts you. If it still does not appear, test the camera on another computer to rule out a hardware fault.

The app shows a black screen or says no camera is available. Confirm the app is allowed under the camera permission settings above, then quit and reopen it. Check whether another app is already using the camera, and close it. Make sure a physical privacy shutter or lens cover is open. Also check that Screen Time's Content & Privacy restrictions, or a management profile on a work Mac, are not blocking the camera.

The wrong camera appears. Each app remembers its own choice, so change the camera inside that app. A connected iPhone or a virtual camera from installed software can appear in the list and be selected automatically.

The image is dark, grainy or choppy. Improve the lighting first, then check the webcam's software for exposure settings. Choppy video during calls may come from network conditions rather than the camera. Compare with a local Photo Booth preview to tell the two apart.

Continuity Camera does not appear. Confirm both devices meet the version requirements and use the same Apple Account, with Wi-Fi and Bluetooth turned on. Check that Continuity Camera is enabled in the iPhone's AirPlay and Continuity settings. If problems continue after a restart, install pending macOS updates and see the camera maker's or Apple's support resources for your model.