(3 Ways) How to Combine AVI Files into One Video

Author: Michelle
Publish date
Updated on Dec 19, 2024
AVI Video Joiner
  • Want to combine AVI files quickly without losing quality? Try these steps:
  • Step 1. Download Download WonderFox HD Video Converter Factory Pro.
  • Step 2. Add your AVI files to the program.
  • Step 3. Merge AVI files into one.
  • Step 4. Select AVI format and export the combined file.
Quick Navigation
How to Merge AVI Files on Windows 10/11
How to Combine AVI Files on Mac
How to Join AVI Files Together Online
Wrap-up
FAQs
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Nowadays, video merging has become very simple. To merge two or more AVI files, you just need an AVI video joiner.

In this article, I will share 3 easy methods to help you quickly merge multiple AVI files into one on Windows, Mac and online while maintaining the output quality. Just read and follow.

How to Merge AVI Files on Windows 10/11

To stitch AVI files together on Windows, we can use WonderFox HD Video Converter Factory Pro, a powerful and reliable video processing program. It comes with a video combiner that can combine all types of videos in just a few clicks.

You can use it to easily combine two or more AVI files. In addition, it can combine multiple AVI files into one without re-encoding if the source files are of the same type (for example, from the same camera). This way, there will be no quality loss and the process will be fast. Besides merging, you can also convert AVI to MP4, MOV, and other formats.

Now, you can free download free download the software and learn how to use it to combine multiple AVI files into one without losing quality.

Powerful AVI Merger
Powerful AVI Merger

WonderFox HD Video Converter Factory Pro can combine multiple AVI videos into a single file quickly and in high quality. It also makes it easy to merge other videos, including MP4, MKV, VOB, MTS, and so on.

Free download Download for Free
Free download Download for Free

Step 1. Import Source Files

Run HD Video Converter Factory Pro and then click Converter. In the Converter window, click + Add Files or Add Video Folder to load the needed AVI files into the program. Or you can simply drag and drop them into the converter.

Import AVI
Import AVI

Step 2. Join AVI Files

Click the Merge button on the top of the interface to open the Merge window. You should see all the imported videos displayed in the Video List. Press Ctrl and click to select the videos you want to merge. Then hit the middle Merge button to create a video pack below. In the pack, you can drag the video to change video order and add/remove items freely. When you are done with the pack, click the bottom Merge button to add it to the task.

Concatenate AVI Files
Concatenate AVI Files

Step 3. Choose Output Format

On the right side of the workspace, click the format image to open the output format library. Next, go to the Video section and select AVI as the output format. You can freely choose any other format from other sections (4K/HD, Web, Audio, and Device) if you have a different idea.

join two avi files
join two avi files

Step 4. Export Final Video

Before merging, you can click the edit button beside the file name to rename your output file. Next, click the ▼ button at the bottom of the program to set an output folder or leave it as default. Finally, hit Run to start the AVI merging process.

combine two avi files into one
combine two avi files into one
More Than a Mere AVI Joiner
More Than a Mere AVI Joiner
  • Convert all popular formats (MP4, MOV, MP3, WAV, H.264, HEVC, MPEG-4, etc.)
  • Batch compress large video and audio files;
  • Download SD/HD/4K/8K videos from 1000+ sites;
  • Remove unwanted subtitles and audio tracks;
  • Enhance video quality to 4K resolution;
  • Make ringtones, create GIFs, and more practical tools.
Free download Download for Free
Free download Download for Free

Note: Not all features are free to use and some have restrictions (e.g. only the first five minutes of the videos will be merged). If you like the program, you can purchase a license to unlock all functions without limit. Currently, the 50% off coupon for the software is still valid.

Nevertheless, you can use the free version of the software to merge AVI files for free. While it can help you concatenate AVI files without length limits, the speed will be relatively slower.

How to Combine AVI Files on Mac

iMovie is the native video editing application on Mac that can merge video files. If your AVI files are encoded with Motion JPEG(MJPEG), you can also use iMovie to splice them together. The process is extremely simple. Just follow the steps below to merge AVI videos using iMovie:

Note: If your AVI file is not supported by iMovie, you can go on to the next solution.

Step 1. Launch iMovie and import the AVI files into the program.

Step 2. Drag the files onto the timeline and rearrange the order as you like. Then select them all.

Step 3. Click the Share button at the top right and select Export File.

Step 4. Adjust the resolution, quality and compression as you like. Then click Next.

Step 5. Rename the file and choose a save location. Then click Save to export the merged file.

Combine AVI Files on Mac
Combine AVI Files on Mac

How to Join AVI Files Together Online

Online solutions are recommended if you don’t want to or can’t use the desktop software.

Clideo is a leading video editor online that can help you with video merging. Its dedicated AVI joiner can merge AVI files as well as crop video, insert background audio, and change formats.

It’s very easy to use this tool and no sign-up is required. You can use it to merge two or more AVI clips as long as they don’t exceed the 500 MB size limit.

Note, however, that the exported video will have a clideo.com watermark that needs payment to be removed.

Step 1. Visit Clideo’s AVI Joiner Online.

Step 2. Click Choose files to upload the AVI files from your device. It also supports file importing from Google Drive, Google Photos, and Dropbox.

Step 3. After uploading, you’ll be led to the editing workspace where you can change the clip order the way you want. Optionally, you can select the size or add audio to the video.

Step 4. Finally, just click Export to start the merging process.

Step 5. Download the merged file to your device.

Join AVI Files Online
Join AVI Files Online

Wrap-up

Combining multiple AVI files into one video is no hard job today. Yet, to secure a fast and smooth joining process, a good AVI video merger is still required. And the AVI joiners mentioned above are perfect programs for this. With them, you are allowed to not only join AVI files but also edit, compress, and convert any files you want. Hope this article could be of some help to you.

That’s all for now. If you have any questions during the merging process, you can feel free to DM me on Twitter. I’ll do my best to help. Thanks for reading.

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WonderFox DVD Ripper Pro is a professional DVD ripping program that can easily rip any DVD (whether homemade or commercial) to all popular formats and devices including MP4, MKV, MOV, 3GP, MP3, WAV, Android, iPhone, and so on. It also lets you edit and compress DVD videos efficiently. Download it to enjoy a fast and trouble-free DVD ripping experience.

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FAQs

1. How to combine multiple AVI files into a single file losslessly?

You can only join AVI files losslessly provided that these files share the same codec, resolution and frame rate. Then you’ll need a tool like WonderFox HD Video Converter Factory Pro that can combine these AVI files without re-encoding, hence no quality loss.

2. What software can combine AVI files?

From this article, you can use three software to combine AVI files:

  • WonderFox HD Video Converter Factory Pro
  • iMovie
  • Clideo.com
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