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OBS Green Screen Guide

Liza Brown
Liza Brown
Originally published Mar 08, 22, updated Dec 05, 23

OBS Studio is a free and open-source app for screen-casting and live streaming. Written in C/C++ and built with Qt, OBS Studio provides real-time capture, scene composition, recording, encoding, and broadcasting via the Real Time Messaging Protocol (RTMP).It can stream Videos to any RTMP supporting destination including YouTube, Twitch, Instagram and Facebook.

You only need one green screen software – OBS. The reason why OBS is the most recommended for streaming is because once you have set it up properly, you can do literally anything you can think of with the software (either with or without added plug-ins).

Chroma Key Settings in OBS

Chroma keying has become incredibly popular nowadays. People use it not just for gaming, but also in Zoom conferences, live interviews, talk shows, etc. Although it may feel complicated at first glance, setting up Chroma Key in OBS Studio is actually incredibly easy.

Have a look at the simple steps you need to take to set up a green screen in OBS:

  1. Make sure you have the following equipment prepared: a solid green background, webcam or video camera, lighting, and OBS Studio.

  2. Download the latest stable version of OBS Studio from the official website and install the software. Open OBS and let the Auto-Configuration Wizard optimize the software’s settings based on your hardware.

  3. Now you can add a video source.

  4. Right-click on the video source you’ve created and select Filter.

  5. Click the + button under the Effects Filters section and select Chroma Key.

  6. Type in a name for this effect layer.

  7. After you add a chroma key, OBS will automatically create and adjust the baseline settings for the filter. You can experiment with the sliders and settle when you are satisfied with the result.

  8. Make sure you aren’t wearing any green or reflective material. You can double-check the performance on the preview screen.

  9. If things are working smoothly, you are all set to start streaming with the green screen on.

Pro tip:

You can follow the instructions above and live stream to multiple platforms at once with Restream. Multistreaming to platforms like YouTube, Facebook, Twitter, Twitch, and LinkedIn allows you to drastically increase the audience reach and grow your followers.

How to make OBS green screen settings better

Using green screens for filmmaking isn't the most complicated or difficult thing in the world but it certainly has its pitfalls. If you ask any experienced filmmaker what to look out for when using a green screen, chances are they're going to mention lighting about a billion times and that's for good reason.

Tips on How to make OBS green screen settings better

  • Evenly light your green screen so you can get a good key.

  • Watch out for light flares. Use some a matte box or your trusty paw to block out any unwanted light.

  • When lighting, try to create as much separation between your subject and the green screen as you can.

  • Shutter speed: Minimize motion blur by raising your shutter speed to 1/80 or 1/100

  • Aperture: Setting your aperture to f4 or f5.6 will give you slightly more depth of field, which will blur and smooth out your green screen.

  • Format: Set your camera to the best recording format it has.

  • ISO: Try to avoid high ISOs.


If you're just starting out with video editing, or just want a simple program that works, Wondershare Filmora might be what you're looking for. It has the essential tools, and anyone can learn to use it easily.

Wondershare Filmora is the one of best video editing software with cool features that compares to other competing video editing Softwares. Many video editing programs claim to offer professional results; Filmora is one of a few consumer-level tools that actually delivers.

Try It Free

For Win 7 or later (64-bit)

Try It Free

For macOS 10.12 or later

Installation Steps

  1. Click the icon in the center of the Media Library to add files directly.

  2. Go File > Import Media > Import Media Files.

  3. Drag and drop to the Media Library directly.

While importing a media file, Wondershar Filmora may ask you if you wish to create a proxy file to accelerate the editing process. Select "Yes" to have a fast video editing experience.

You can also import video clips using your Touch Bar controls if your computer has Touch Bar.

drag green screen

Record a media file

Apart from the videos shot by your digital devices, you can also directly import media files by recording video from your webcam, capturing the computer screen, or recording a voice-over.

Record computer screen:

Click the "Record" option, and choose "Record PC Screen" to get the built-in Wondershare Screen Recorder. Hit the red button to get started. If you want to stop the recording, you can hit F9.

Record videos from webcam:

Also, click the "Record" option, and choose "Record from Webcam". In the pop-up Video Recording window, click the red button to start recording and click it again to stop recording. Then click OK to save the recorded video file.

Record voice-over:

Choose "Record a voiceover" under the Record menu. It would be better to connect a microphone to your Mac for a better result. Hit the Record button, and it leaves you 3 seconds to get ready.

All the recorded media files will be saved into Media Library automatically and you can drag them to the Timeline for editing.

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