MY WEBCAM TEST GUIDE

Camera borders for OBS

How to add a free camera border in OBS Studio for a webcam or DSLR feed, including rounded frames, and why a border does not change your audio.

The short answer

OBS Studio does not have a dedicated border setting for a camera source, but you can add one for free with built-in tools. You can place a transparent PNG frame above your camera, put a solid Color Source behind a slightly smaller camera image, or shape the camera with a mask and outline it. These methods work the same way whether the video comes from a USB webcam or from a DSLR or mirrorless camera through a capture device. A border is purely visual. It does not change how your speech is captured, and it does not route or process audio.

Evidence note: no product-specific evidence was supplied for this article, such as particular border packs, prices, plugin versions or test results. The guidance below relies on general OBS Studio behavior and does not recommend specific third-party downloads.

What a camera border is in OBS

In OBS, a camera border is any visual element that outlines the camera feed inside a scene. OBS draws sources in layers. A source near the top of the Sources list appears in front of the sources below it. Every border method relies on that stacking order. The frame either sits in front of the camera with a transparent window, or sits behind the camera and shows around its edges.

Method 1: A transparent PNG frame (most flexible)

Use this method for decorative, branded or irregular frames. You can make the image yourself in any editor that exports PNG with transparency, including free editors such as GIMP. That keeps the approach free and avoids downloading packs of unknown origin.

  • 1. Create an image the same size as your OBS canvas, for example the base resolution shown in Settings > Video.
  • 2. Draw the border, then leave the inside of the frame and the rest of the canvas fully transparent. Export it as PNG.
  • 3. In your scene, add your camera as a Video Capture Device, or use the existing camera source.
  • 4. Add an Image source, select the PNG, and move it above the camera in the Sources list.
  • 5. Resize and position the camera so it fills the frame's window. To crop the camera edges, hold Alt while dragging a side of the source (Option on macOS), or use a Crop/Pad filter.
  • 6. Select both sources and group them so they move together. Lock them to prevent accidental nudges.

Method 2: A Color Source behind the camera (simplest rectangle)

For a plain rectangular outline, add a Color Source in the border color and place it below the camera in the Sources list. Make it slightly larger than the camera on every side. The visible margin becomes the border. This needs no image editing, and you can change the color or thickness at any time. Group and lock the two sources once they line up.

Method 3: Rounded or circular camera borders

For a rounded-corner or circular camera, add an Image Mask/Blend filter to the camera source and use a mask image that defines the shape. Then place a matching border image, such as a ring or a rounded outline, above the camera. Make the mask and the border at the same size so their edges line up. Some community plugins offer built-in rounded corners or outlines. Their availability and compatibility depend on your OBS version, so check that a plugin supports your release before you install it.

Comparing the methods

Method | Best for | Needs an image editor | Built into OBS
PNG frame above camera | Decorative or branded frames | Yes | Yes (Image source)
Color Source behind camera | Plain rectangular outline | No | Yes
Mask filter plus border image | Rounded or circular camera | Yes | Yes (Image Mask/Blend filter)
Third-party plugin | Quick rounded corners or outlines | Usually no | No

Points specific to DSLR and capture-card feeds

A border cannot hide the camera's own on-screen display. If your DSLR's HDMI output shows focus points, battery level or other indicators, those appear inside the frame. Turn on the camera's clean HDMI output, if it has one, or use the manufacturer's webcam mode instead.

Aspect ratio matters as well. If the camera outputs a different shape than your frame's window, crop the camera to fit rather than stretching it. Stretching distorts faces.

What a border means for speech capture

Adding a frame, mask or Color Source has no effect on audio, because these are video-only sources and filters. Your voice still comes from whichever input you have configured in OBS. That might be the webcam's built-in microphone, a USB or XLR microphone, or audio embedded in a capture card's HDMI signal.

Two routing points are worth checking while you build the scene:

  • If you reuse the camera in another scene, use Add Existing rather than adding the same device a second time. A second instance of the same capture device can fail to open, and it can create a duplicate audio entry if that device carries audio.
  • With a capture card, open the Video Capture Device properties and confirm how its audio is handled. On Windows, this is the Audio Output Mode setting, or you can choose a custom audio device. Then check the Audio Mixer to confirm that your speech appears on the meter you expect and that it is not doubled with a separate microphone.

Gaps in the available evidence

No sources were supplied that review or measure specific free border packs, paid overlay products or border plugins. This article therefore does not compare their quality, licensing or performance cost. If you download a ready-made frame, check its license terms. Prefer PNG files you can inspect over installers.