MP4 files are a popular video format used for sharing and storing videos. However, managing multiple MP4 files can be a hassle, especially if you want to play them as one continuous video. That’s where combining MP4 files comes in handy!

In this ultimate guide, we’ll walk you through everything you need to know about merging MP4 files.

Combine MP4 Files

How to Combine MP4 Files without Losing Quality

Are you tired of having multiple MP4 files that you need to play separately? Combining MP4 files has become a common practice, especially with the rise of video content creation.

Fortunately, there are many free and paid tools available in 2023 that can help you merge your MP4 files seamlessly. Here are the top MP4 combiners for 2023:

1. UniFab Video Converter

Combine MP4 Files

UniFab Video Converter

This Video Converter is the best method for whenever you want to merge or combine MP4 files on Windows easily and efficiently.

Key Features:

  • Combine/merge multiple mp4 files into one video at once
  • Support to convert any video to 1000+ video and audio formats
  • Convert or compress videos to any video format without quality loss
  • Offer customized settings and a built-in video editor to make your video 
  • Convert multiple videos with the Batch Mode
Step 1

Install and launch the UniFab Video Converter on your device first.

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Step 2

Select the mp4 videos/files you want to combine or merge, and add them into UniFab Video Converter.

Combine MP4 Files

Step 3

Choose 'Merge all files' at the bottom, and click Start to begin the process of merging or combining.

Combine MP4 Files

2. Wondershare Uniconverter

Wondershare UniConverter is an all-in-one video toolkit that offers a wide range of features, including video conversion, compression, DVD burning, and merging. With this software, you can easily combine multiple MP4 files into a single video file without losing quality. It supports various video formats, including MP4, AVI, WMV, MOV, and more.

3. OpenShot

OpenShot is a free, open-source video editor that supports Windows, Mac, and Linux operating systems. It’s easy to use and comes equipped with features that make it ideal for merging MP4 files. With its simple drag-and-drop interface, you can quickly add your MP4 files and combine them into a single video.

4. iMovie

iMovie is an apple product that offers multiple options to edit videos including merging them. This software tool is awesome just like other Apple products. You just need to go to File >> New Project >> Import. It will open a dialogue box as pop up. Select the MP4 videos that you want to combine.

Combine MP4 Files

Now, since the videos have been imported into the software, you just need to drop the videos to the project window to join them. Once the process is completed, you can export the new file in which different videos are combined.

5. Avidemux

Avidemux is a free video editing software program that you can use to combine MP4 files in just a few seconds. The process of merging videos into this software is quite easy. Just go to File >> Open, and select the first video, then repeat the process to add more videos. Once all the videos are added, go to File >> save >> save video, and give the file a name. That’s all. All the videos will be joined and form a new video file.

Combine MP4 Files


We have listed 3 different desktop software tools to merge MP4 videos but now, we are sharing a website that you can use to merge MP4 files online.

Combine MP4 Files

Just visit the official site. Click “CHOOSE FILES” and select multiple videos that you want to merge into one. Wait for them to upload. Once done, select the output file settings, and then initiate the merging process. In a few minutes, it will be completed. After it is completed, download the new merged file.


Can I combine MP4 files without losing quality?

Yes, with UniFab Video Converter you can merge MP4 files without losing quality. Just make sure to choose the right settings and export options to maintain the original quality of your videos.

What are some common issues when combining MP4 files?

Some common issues when combining MP4 files include audio sync problems, quality loss, playback issues, and compatibility issues with different devices or media players. To avoid these problems, make sure to choose the right video editor or MP4 joiner software, use the correct settings and export options, and test the final video on different devices before sharing or uploading it.

Can I combine other video formats besides MP4?

Yes, UniFab Video Converter support a wide range of video formats, including AVI, MPEG, MOV, WMV, FLV, and more. Just make sure to check the compatibility of your software with different formats before attempting to merge them.


Combining MP4 files might seem like a daunting task, but in reality, it’s a straightforward process that can save you time and effort. Whether you’re a content creator, video editor, or simply want to merge multiple video clips into a single file, there are various methods available for combining MP4 files.

In this comprehensive guide, we’ve covered everything from why you should combine MP4 files to step-by-step instructions on how to do so using different tools, including video editors and online platforms. We’ve also shared our top 6  MP4 combiners and provided tips on how to merge MP4 files without losing quality.