Having trouble recording a clear shot of a phone or computer screen with a camera? Try replacing the screen in After Effects with this simple method.
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Click the Screen Saver tab. Click the Screen saver drop-down list, and select News. Click the Settings button to select screensaver options. Click OK when finished. Click the Preview button to test the screensaver. Move the mouse or press any key to stop the screensaver. Click OK to close the dialog box and save your settings.
A problem that many people have run into when trying to record a phone or computer screen is not getting a clear shot of the contents on the screen. There are reflections, bad angles, and other things that make your screen unclear. When you work with screen replacements, that problem goes away, and it gives you the freedom to change up what’s on the screen in post. Here, we are going to show you some very simple methods for pulling off a screen replacement in both After Effects and Premiere. Let’s get started!
Tips for Recording Footage for Screen Replacements
To make your life easier at the editing desk, do the following to prepare the footage for an easy screen replacement:
- Record your screen with a “green screen” —download a green .jpg from the internet, and open it in your photo app. Make it full screen, and use that when recording the device. This will come in handy when keying out the screen in post, and it will allow you to move objects over the screen without disrupting the screen replacement.
- Keep all 4 corners visible — When you get to the motion tracking portion of this tutorial, keeping all four corners of your device visible will be paramount for capturing a perfect motion track.
Working in After Effects
To get started, open up a new composition and import all of your footage. The first thing that you want to do is track the motion of your device’s screen. Open up the tracker window, and click the Track Motion button. Make the motion source your video, and change the track type to Perspective Corner Pin. This will prompt a four-corner box to open up in your preview window. Match those pins to the corners of your device’s screen and then click Analyze to enable AE’s motion tracking software.
Before you analyze the track, though, you’re going to need something to place the tracking onto in lieu of your vertical video (for later placement). Create a solid object by right-clicking the timeline and selecting New > Solid. No need to resize this object — just make it a visible color such as bright red, and from the tracker tab, select that solid in the Edit Target options. Once targeted, the new solid layer will take the shape of the tracked screen.
Now, it’s time to key out the green screen to allow movement over your device. Start by going to Effects > Keying > Keylight. Once you’ve applied this to your video clip, take the dropper in the effects tab and click the green screen. To make the keying process a bit clearer, change your view settings to AlphaChannel so the color difference is more apparent. Toy with the settings until you get a clear distinction between your key and the rest of the video.
The keying process is going to alter the color of your video, so to bring it back to normal, duplicate your clip and delete the keylight effect on the bottom layer. Afterward, go to your Track Matte settings on your timeline and Alpha Matte your bottom clip to the one above it. This will keep the color keyed, while maintaining the original color of your video.
Since you’re almost finished up, it’s time to add your vertical video to your phone. Pre-compose your red solid by right-clicking it and selecting Pre-Compose. this will open up a new composition with just your red solid. Once in that window, drag in your vertical video and stretch it to the corners of the red solid. It may look warped, but it will go back to its original size in the main composition. And just like that, you’ve successfully created a screen replacement!
Screen Replacements in Premiere
Now while my official doctor’s orders are to direct you to do screen replacements in After Effects, they can be done in Premiere as well. A caveat, though: the screen has to be completely still. If the screen moves, you are in for hours of keying in Premiere (And no one wants that).
So take a clip of a screen shot on a tripod and import it into Premiere. Take the clip you would like to insert into the original screen and add it over the other in your timeline. Shrink it down in the settings to just about the size of your device’s screen. Then go to the Effects tab and drop Corner Pin onto your top video. This will allow you to manipulate the corners of your new video, so now all you have to do is pin those to the corners of the device’s screen. And . . . that’s it! Really. That simple.
Looking for more video production tutorials? Check these out.
How to split screen with After Effects?
Adobe After Effects is a professional video effects maker and editor, which allows users to customize or create explosive, animated, etc. effects. for all kinds of videos. Undoubtedly, After Effects have gained great reputation among professional or advanced video editors, but if you're a beginner in video editing, or you're a novice of After Effects, then you might find this program is quite complex to operate.
So, today I'd like to show all of you how to make a split screen video in After Effects step by step.
The best part?
Well, you can find not only the detailed tutorial of using After Effects, but also a more easier to use alternative split screen video editor for your reference. You can compare them and pick up the easier one to create your own split-screen video.
Now, let's get started...
How to Make Split Screen Video with After Effects?

Step 1. Launch the After Effects on your Windows or Mac computer, then bring in the footage then add a few elements and use them to see the location of the footage. Once you have imported the image, create a new composition and rename it accordingly.
Step 2. Drag and drop the footages to the timeline, select the footages and precompose them. Here, you can give the precomposed footages a new name. Now, you can move all the attributes to the new composition.
Note: Repeat the precomposition process with all of the footages that you have on the timeline. Once you have precomposed all of the footages and you have all of them in the preview window, the next step is to create things that reveal the footage.
Step 3. Ensure that nothing is selected then double click on the rectangle and ensure it has a fill with the brightness of 10 percent. There is no stroke required so you can go to the rectangle path then look at the properties of its size then multiply 1920 by two and give it a height of ten.
Step 4. You can increase the properties a little bit to 3860 and it will be 20 pixels larger than being twice the width. You can then duplicate that path and on the second path, it will be 10 pixels x1080pixes x2 and it will increase the pixels by 20. The reason for doing that is so that the rectangle can be dragged all the way to the edge without having it stick over the edge so it has to be larger than what can possibly be needed.

Step 5. The next step is to create some solids by right clicking then selecting new > solid. You may have a yellow one, blue, red and black one. Put the back one at the bottom behind everything then stretch it up to be big.
Step 6. Take the solids and move them around into each rectangle, then drag the anchor point for the rectangle to be in the center. Grab the solids then increase the size so that they are larger than required.
Step 7. Take them all then pair them to the video layers accordingly. Start rendering it by animating keyframes. You can select keyframes interpretations to linear by right-clicking and selecting on keyframes. Make the footage come through by pulling the footage under all the rectangles.

Step 8. Select all of the footage and then come to toggle mode right below the timeline. You can also select alpha matte instead if you don't have the toggle. It means that each of the footage elements will reference the green or red solid to define where they are showing. You can make the settings as desired to suit your screen preference.
Obviously, making split-screen video on After Effects is not only time consuming but also very complex, especially when you're new in the video editing. Therefore, I also pick up an alternative to After Effects for your reference.

Filmora Video Editor - Best Alternative to After Effects
Filmora Video Editor is a professional yet reliable video editing software, which is specially designed for beginners and semi-professionals. Unlike Adobe After Effects, this program comes with user-intuitive interface and smart instructions, so that every users can use it to create an awesome video as easy as 1-2-3.
Now, let's check the detailed features of this powerful After Effects Alternative software:
Filmora Video Editor
- 20+ splitting screen templates for your choice, so that you can create a split-screen video within few simple clicks.
- Provide users almost all editing features, including cutting, trimming, merging, overlaying, editing, etc.
- 1000+ video effects for you to improve the video performance with 1 simple click.
- Advanced editing skills like green screen, PIP, video stabilization, etc. enables you to customize a video as you like.
- ...
To make split screen video with Filmora Video Editor, you can directly choose the desired screen style from the built-in templates, and drag and drop the video to every section. Then, everything will be done by the program automatically. For detailed tutorials, you can click the below link to check 2 different ways to make a split screen video with Filmora Video Editor.

Windows Screen Savers
Comparison: Which One is Better?
Now, you've seen how to make a split screen in After Effects and its alternative software - Filmora Video Editor.
Then, which one are you ready to try?
Obviously, After Effects might be too complicated to use for beginners, but if you're an advanced user, and want to customize the splitting style according to different needs, then this program is better than Filmora Video Editor.
After Effect Screensaver
On the contrary, if you're a beginner or you don't want to spend too much time on designing the screen splitting style, then Filmora Video Editor or Filmora Video Editor for Mac could be the best option for you.