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How to trim AVI Video on mac? (easy and fast)

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Sep 28, 2021• Proven solutions

You put on your favorite pajamas and decide to trim an AVI video on Mac because while you were recording, your friend decided to say something silly at the end. As soon as your Mac boots up, you realize you don’t know how to do it. 

“How difficult can it possibly be to trim AVI videos on Mac?”, you wonder as you embarrassingly chuckle to yourself. You do a quick Google search, but it leaves you feeling even more confused. “There are so many applications that trim AVI videos! Which one do I use?!”, you shout angrily at your screen.

Searching for and downloading a simple and free video trimmer on Mac can be frustrating. There are so many options, you just can’t figure out which one to choose! 

There are two video trimmers for Mac that will give the best results. If you’re looking for a professional and advanced video editor, Adobe Premiere Pro is the way to go. If you want a free and easy video editor, then Filmora is your best option.

Section1. Download an Easy-to-Use AVI Trimmer on Mac

Section2. How to Trim AVI on Mac? [Step-by-Step]

Section3.  FAQ of Editing AVI Files


Section 1. Download an easy-to-use AVI Trimmer on Mac

  • Most Professional Trimmer – Adobe Premiere Pro

Adobe Premiere Pro is a professional video editor that’s used to edit all kinds of videos. It’s used by professionals and amateurs alike.

The problem with Adobe Premiere Pro is that it can be a bit confusing at times and it’s not a free video trimmer. You have to pay a subscription fee and you need to spend some time using it to get the hang of it. Once you’ve mastered its tools and techniques, you’ll be able to trim AVI videos easily. 

adobe

  • Most Easy and Free Trimmer – Filmora 

If you don’t feel like learning a professional video editor, then try Filmora for Mac! It’s an easy video editor and it’s completely free!

Filmora has some features that are exclusive to Mac. It offers Hardware Acceleration which means editing videos will be much faster and smoother. It also offers various Touch Bar controls, which will make your workflow more efficient. 

video cutter

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Section 2. How to Trim AVI videos on mac? (Step-by-Step)

So how do you cut AVI videos on Mac? On Filmora, the whole process is simple and you can easily learn it in just a matter of minutes. The quality of your videos isn’t reduced because Filmora supports the option of lossless editing.

You can trim AVI videos on Filmora using a feature called Scene Detection. You can also do it manually. Let’s look at both methods. 

Scene Detection Feature

Here’s how you trim videos on Mac using Filmora’s Scene Detection: 

Step1. Start the video editor application and select New Project. 

Step2. Import your video by either clicking on Import Media Files or by dragging and dropping your video into the import area.

import

Step3. Right-click on a video and click on Scene Detection in the drop-down menu. 

scene detection

Step4. In the new window, click on Detect and your video will get broken down into different scenes. If you see any clip you don’t want, click on the Delete button next to it. 

remove

Step5. Click on Add to Timeline and you’ll see the rest of the scenes in the timeline where you can make further changes to them. 

Step6. Once you’ve made changes to your video, click on the Export button and select the Local tab. Click on AVI since that’s the format you want your video in. After you’ve selected the location and made other changes to the export settings, click on Export and your video will be saved. 

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Trimming Videos Manually

Here’s how you can cut AVI videos manually: 

Step1. After importing your video, drag it to the timeline. 

import

Step2. Stretch the video track in the timeline so you can select the frames you want to trim. 

Step3. Simply drag the video, either to the right or to the left, to cut the beginning or the ending of the video. 

trim

Step4. To cut the middle section of the video, first, click on the Split button in the toolbar. It’ll highlight the first frame of the clip. Drag the playhead to the part where you want the last frame of the clip to be and press the Split button again. This clip is now a separate video.

split option

Step5. To remove it, simply click on the Delete button in the toolbar and it’ll be gone. 

ripple delete

Step6. Once you are done, you can export the video using the method described above. 

How to resize a video on mac

You might also be wondering if there’s any way you can resize a video. Filmora has a feature called Pan and Zoom. Here are the steps to use it:

1. Add your video to the timeline, right-click on it, and select Crop and Zoom.

crop zoom

2. A new window will open where you’ll see two frames, one in the red marked start, and the other one in the light blue marked end.

3. Under the screen, there are four presets that you can use to resize the video: 

pan zoom

      • Zoom in mode: zoom in on the blue frame from the red frame. 
      • Zoom out mode: Zoom out from the red frame into the green frame. 
      • Pan left mode: The red frame on the left will move towards the green frame on the right. 
      • Pan right mode: The red frame on the right will move towards the green frame on the left.

4. Once you’re done, click on OK and export your video using the method described above.

In case you’re still having trouble editing your videos, here are some frequently asked questions about editing AVI videos with their answers.


Section 3. FAQ of Editing AVI Files.

Hopefully, these FAQs cleared up any confusion you had.

1. Can I export my AVI videos directly to YouTube with Filmora?

Yes! With Filmora, it’s very simple to upload your videos directly to YouTube. In the export window, click on YouTube, add details of your video, sign in with your YouTube account and click on Export. 

2. Can I resize my video? 

Filmora recommends that you export your video in the original settings, but if your video’s size is too big, you can change it by adjusting the bit rate in the export settings window. 

3. Is Scene Detection faster than manual trimming?

Scene Detection works best if your video has lots of different scenes. It’s faster, but if your video doesn’t have visual changes that mark the beginning and end of a scene, then you should trim your videos manually. 

4. What can I do with the Touch Bar on Filmora?

With the Touch Bar, you can easily import videos, play or pause them, export them to your Mac or upload them directly to YouTube, and cut videos and move the playhead in the timeline. 

5. Will my video’s quality gets downgraded after editing?

Not at all. Filmora doesn’t re-encode videos which means your videos will not get compressed and there won’t be any quality loss.  

Conclusion

Having a free and easy to use video trimming application is important because it’s common to make mistakes while recording videos. You can trim AVI videos with Adobe Premiere Pro, but it’s a professional video editor and you have to pay for it. Download Filmora for Mac for free as it’s an easy video editor and it has a clean interface that anyone can understand. You can learn to trim videos on Mac and even resize them on Filmora without having to put in too much effort. 

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Liza Brown
Liza Brown is a writer and a lover of all things video.