How to Make a Reaction Video Easier Than Ever With Filmora

In 2025, AI reaction videos have become one of the most engaging content formats across social media platforms. These videos, showing creators' authentic real-time responses to various content, consistently generate millions of views and foster active community engagement. If you're looking to boost your online presence, creating reaction videos is an excellent starting point. The good news? You don't need advanced editing skills to produce professional-quality content. With the right reaction video maker like Filmora and its powerful AI portrait technology, you can create compelling videos in minutes rather than hours. This comprehensive guide will show you how to leverage Filmora's cutting-edge features to make stunning reaction videos that stand out from the crowd.

The majority of video editing software nowadays uses artificial intelligence to power its portrait cutout effects. That means the manual selection process is no longer required to remove video backgrounds and cut out certain objects. As for the creation of reaction videos, this feature comes in very handy. How so? Let’s just say that it makes the video editing procedure a lot simpler and more convenient for everyone. With an AI-powered portrait cutout effect, you can easily attach your reaction footage to the subject video. Amazing, right?

In this article, we will discuss the highlights and benefits of reaction videos. We will also talk about the main reason why it is very popular in modern times. Lastly, we’ll provide a tutorial on how to cut out a portrait quickly and easily for reaction video content. Continue reading below to learn more.

Why AI Reaction Videos Are Dominating Social Media

The explosive popularity of reaction videos isn't just a passing trend—it's rooted in fundamental aspects of human psychology and digital engagement. Let's explore why these videos have become essential content for creators looking to build an audience.

They Provide Valuable Information Through Expert Commentary

Today's top reaction video creators don't just record themselves watching content—they add substantial value through informed commentary. Using advanced reaction video maker tools like Filmora allows creators to:

• Present research-backed information alongside their reactions
• Highlight key moments with professional graphics and annotations
• Provide educational context that enhances viewer understanding
• Create multi-layered content that serves both entertainment and informational purposes

The best AI reaction videos transform passive viewing into active learning experiences, with creators serving as guides who help audiences navigate complex or specialized content. Filmora's AI portrait technology ensures that this commentary remains front and center, with crystal-clear subject isolation that keeps viewers focused on both the reaction and the subject material.

They Offer Authentic Perspectives on Complex Topics

In an era of information overload, audiences increasingly turn to reaction videos for authentic, unfiltered perspectives on challenging topics. The immediacy of reactions captured through AI reaction video technology provides a level of authenticity that scripted content simply cannot match.
When creating your own reaction content with a professional reaction video maker, remember that viewers value:

• Genuine emotional responses over performative reactions
• Thoughtful analysis that considers multiple perspectives
• Personal insights that draw from your unique experiences and expertise
• Balanced commentary that acknowledges the complexity of sensitive topics

Filmora's advanced editing tools allow you to present these nuanced reactions with professional polish, ensuring your authentic perspective shines through without technical distractions.

They Create Community Through Shared Experiences

The most successful reaction videos don't just showcase individual opinions—they foster community through shared emotional experiences. When viewers watch your reactions, they're essentially experiencing content alongside you, creating a powerful sense of connection.

This community-building aspect explains why reaction video maker AI technology has become so important—it allows creators to:

• Maintain consistent eye contact with viewers through precise portrait positioning
• Capture micro-expressions that communicate authentic emotional responses
• Create an intimate viewing experience that feels like watching with a friend
• Build loyal audiences who return specifically for your unique reaction style

Filmora's AI portrait features excel at preserving these subtle emotional cues, ensuring that the human connection at the heart of reaction content remains intact throughout the editing process.

It’s fun to watch.

One way or another, we cannot deny that watching reaction videos is fun and somewhat therapeutic. It feels nice to see other people enjoy viewing the same content or material you personally love. In a way, we can say that it’s almost similar to a family bonding or a friends catch-up session. Thus, it may really help you get through the day if you’re lonely and sad. Alternatively, you may also do the opposite and become a reaction video creator instead. Explore this undertaking once in a while. If it happens that you decide to give it a try, familiarize yourself with the portrait cutout technique. Believe it or not, this video editing effect will help you get started quickly and easily.

Common Subjects of Reaction Videos

Let’s say you’re planning to create your own reaction video. That’s great. For sure, you can do a lot of wonderful internet content in this regard. Now, what’s next? As mentioned earlier, the first thing you need to do is familiarize yourself with the portrait cutout effect. It’s the main video editing technique you are going to use later on. After that, it’s about time to choose the subject of your reaction video. Actually, you can react to anything under the sun so long as you can personally relate and connect to it. But if you’re really having a hard time choosing your area of coverage, you may check the list below. It contains several topics that content creators often use as the subject of their reaction videos. Read the items very carefully and find the best fit for your online personality.

Video Games

Do you play video games? If so, you may try to film yourself while playing one of your favorites. That’s indeed a great concept for your reaction video. You don’t need to try so hard. All you have to do is enjoy the moment in order to give your viewers something real and authentic. With regard to the video editing, it doesn’t necessarily have to look overly extravagant. The portrait cutout effect can surely do a lot for you in this regard. Just choose a video editing software that specifically supports this kind of feature. Explore the app and find out how to cut out a portrait on the video using its AI tools.

Movie Trailers

Let’s say there is a new movie coming to the theaters soon. As a reactor, you can consider it as the subject for your next video content. How so? It’s very simple. Record yourself while reacting to the trailer of the upcoming movie. Watch it on YouTube and show your natural feelings about it. Once in a while, try to provide some insights and assumptions to the viewers. But somehow, keep it subtle and modest to avoid spilling potential spoilers. Focus instead on the scenes depicted in the trailer. Don’t go beyond that, even if you know something more. In terms of video editing, the same thing goes for movie trailer reaction videos. Use the portrait cutout effect in order to show the video subject and your reaction clip in one frame. Don’t worry. The majority of video editing apps use artificial intelligence to power this feature. In that case, you can be sure that the process is easy and simple. No excessive manual work is involved other than configuring a few settings and choosing your preferred effect.

New Music Videos

Music videos of newly released singles are also considered a great reaction video topic. Such materials easily get attention and gain traction, especially if the artist in the music video is well-known globally. Like the others, this type of reaction video is also very easy to do. You just need to watch the entire music video and record your reaction. To make it look natural, ensure that it’s your first time seeing the video at the time of the recording. Yes. It’s the best way to evoke legitimate emotions in front of the camera. In addition, you may also provide some feedback and insights about the new song. Try to compare it to the previous songs and videos released by the same artist. As for the video style, use the portrait cutout effect. It’s an AI-powered feature present in most video editing software nowadays. That means you can conveniently apply it to your music video reaction with just a snap of a finger. Oftentimes, all you have to do is select a portrait cutout effect and drag it to the timeline panel.

Viral Video Clips

There are tons of viral video clips on the internet. Most of them are controversies involving prominent personalities, funny videos caught on camera, or contentious statements. You can use some of these viral video clips as the subject of your reaction videos. For sure, your reaction video will go viral, too. But hold on. When doing such kind of content, you should not throw caution to the wind. Filter your words as much as possible to prevent backfire, especially if the topic is too sensitive. Don’t worry. The video editing techniques remain the same for viral video reactions. You can still use the portrait cutout effect and attach it to the viral video.

Famous Scenes From Films and TV Shows

If you go online, you’ll surely find lots of TV shows and film snippets scattered all over social media. The majority of them are highlights or famous scenes that have once made the rounds around the world. Occasionally, you can try to use it as the subject of your reaction video. Watch the scenes and react in front of the camera. It’s just as simple as that. However, take note that you must try to be a little more cautious if you’re planning to post it online. Copyright might strike and shut down your post if the necessary measures are not implemented beforehand. Therefore, take it into account when preparing your content and check the copyright requirements. Once done, you may proceed to video editing. Use the portrait cutout effect and let the AI-powered software do the rest of the work for you.

Live Performances of Famous Artists or Entertainers

Let’s say a world-renowned singer hits a high note during the concert. That’s great material for your reaction video. You can watch it on a legitimate streaming source and let the camera capture your pure reaction. Of course, you must use the portrait cutout effect for this kind of video. It’s important that viewers can see the actual performance along with your reaction clip. Don’t worry. There are many video editing apps out there that allow you to conveniently cut out a portrait from the video. You just need to apply a specific effect and calibrate the corresponding settings that come with it. In a minute or two, your reaction video will be ready for viewing.

Relatable New Clips

Once in a while, you may also try to delve into some local hot topics for your reaction videos. Find a news clip on the internet and react to it as honestly as you can. For the most part, provide some discerning commentaries and well-grounded insights. Educate your viewers regarding the specific issue you’re trying to cover. But, of course, you have to research the topic very well. Verify the information before you go public with it. Otherwise, your reaction video will certainly get you in real trouble. Yes. The dissidents might find you based on your portrait cutout and attack you online. Thus, always proceed with caution in this regard.

Funny Social Media Videos

Do you want to make a reaction video that summons easy and light emotions? If so, you can try to react to funny social media videos. Yes. For sure, many viewers will find it amusing and entertaining. Just choose the videos very carefully. Make sure that their content is not offensive and rude. Once the materials are ready, it’s time to proceed with the video editing. Don’t worry. Nothing has changed when it comes to this technical matter. You can still use the portrait cutout effect and get promising results from it. Just make sure that everything is configured very well on your end.

How to Create a Reaction Video Using Portrait Cutouts?

As reiterated earlier, the easiest way to create and edit reaction videos is through the portrait cutout effect. Basically, the background of your reaction clip is removed and attached to the subject video. That’s how the portrait cutout effect works. Now, is it difficult to apply? The short answer is no. It’s actually a walk in the park so long as your video editing software is compatible with this feature. In this regard, you can try to use Wondershare Filmora. Its powerful AI Portrait is capable enough to cut out a portrait from your video in a snap. Do you want to try it for your next reaction video? If so, here’s a short guide for you. Check out how to use Wondershare Filmora’s portrait cutout effect in quick and easy steps.

Step 1: Download Wondershare Filmora from its official website. Right after, install it on your computer.

Step 2: Launch the newly installed video editor on your computer desktop afterward. Once it completely loads up, click on New Project to start editing. If you have an existing session, access the section below it and tap on the project you want to edit.

Step 3: After that, navigate to the Elements Panel section. Go to the Media tab and then click Import. Upload your reaction clip and the video subject. Depending on their respective file size and type, it will only take a few minutes to complete.

Step 4: Once the files are ready, it’s time to arrange the clips in their positions. Simply click on the videos and drag them from the Elements Panel all the way to the Editor Timeline section. Make sure that the reaction clip is placed right above the video subject. Play it once or twice afterward, and check if your reaction footage synchronizes well with the video subject. If not, adjust its position from left to right or vice versa until the timing of the two videos matches perfectly.

Step 5: At this point, it’s time to cut out the portrait from your reaction video. To do that, simply click on your reaction footage and then tap Effects on the Elements Panel. Navigate to the left-side controls and select AI Portrait. Immediately, a bunch of AI Portrait effects will be displayed on your computer screen.

Step 6: The portrait cutout effect is very simple. Generally, you just need to remove the background of the reaction clip in order to attach it to the video subject. Don’t worry. The AI Portrait function of Wondershare Filmora can do that for you. Under the Effects tab, find and click the Human Segmentation effect. Drag and drop it to your reaction clip on the Editor Timeline. Anyway, keep in mind that AI Portrait is an add-on feature. You have to buy it separately from the Wondershare Filmora license. If you don’t have it yet on your account, click the Purchase button when a pop-up notice is prompted.

Step 7: Once the portrait cutout effect is applied, the background of your reaction clip will be removed instantly. Go to the Preview Window and double-click on the video being flashed. Hover your mouse over the edge of the window. Click on it and drag the corner to resize the clip based on your preferences. Make it smaller than the video subject, and then move it to your desired position. You can place it at the bottom or top corner of the video. Just make sure that it doesn’t obstruct the video subject. If you wish to insert additional effects, just go back to the AI Portrait dashboard. Drag another effect to the Editor Timeline and place it above the video assets.

Step 8: Lastly, click Export to render the video and save a copy of the file to your computer.

Conclusion

It’s undeniable that reaction videos are among the best content on the internet. You can surely get a lot of wonderful benefits from simply watching this kind of content. On the same note, you can shoot and create a reaction video, too. Yes. It doesn’t take a genius to craft one. With the aid of portrait cutouts, you can easily get started on this project. Download Wondershare Filmora on your computer and explore the portrait cutout effect. It has a powerful AI Portrait feature capable of removing backgrounds, resizing video resolution, and inserting effects. Try it on your next reaction video!