Wondershare UniConverter

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  • Merge videos in any format like MP4, MKV, AVI into one easily.
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MP4 Video Merger: Different Solutions to Merge MP4 Files Free

by Christine Smith • Jul 23,2019 • Proven solutions

Want to create a video for training purpose, make a long extended clip or a movie from short videos? In all the situations, you would need to merge multiple videos into one. Additionally, if you have downloaded a number of video or audio files in MP4, MKV, AVI, MP3, and other formats from streaming sites and wish to play them together, you would need to combine MP4 files with others. So for all your video joining and merging needs, the guide below will help you with the best solutions.

Part 1. Easiest Solution to Merge MP4 Files into One on Windows/Mac

There are a number of programs, software, and online tools that help to combine two videos together. If you want to settle for nothing less than the best, then Wondershare MP4 Merger is the best choice. This professional software join MP4 files and other formats without any quality loss. The Wondershare video joiner acts as an all-in-one video toolbox that facilitates video conversion, merging, transferring, downloading, and recording.

video converter logo Wondershare UniConverter (originally Wondershare Video Converter Ultimate) - MP4 Video Joiner

wondershare video merger
  • Support more than 1000 formats so that you can merge all types of video files. You can not only merge MP4 but also combine MKV files and other file formats.
  • The leading APEXTRANS technology of the software ensures that merging and other functions are 30X faster than its competitors.
  • Allows to combine MP4 files Mac as well as Windows PC.
  • Combine MP4 videos without any quality loss.
  • Support additional functions like converting videos, downloading videos from more than 10,000 sites, burn DVD, transfer merged videos to iPhone, android devices directly.
Security Verified, 5,942,222 people have downloaded it

Steps to Combine MP4 Files Using Wondershare Video Merger

Step 1 Open Wondershare MP4 video merger and add MP4 files.

Launch the installed Wondershare UniConverter on your PC. Now you need to add MP4 and other files to the software interface. You can either drag and drop the files or click +Add Files from the Convert tab to browse and add files from PC.

Open Wondershare MP4 video merger and add MP4 files

Step 2 Select the output format as MP4 for video combination.

Click drop-down icon next to Convert all files to: option. Select the desired output format and resolution from the Video tab. While merging all the files will be converted to the same format.

Select the output format for merging MP4 files

Step 3 Merge and convert files in MP4, MKV and others.

On the main software interface, enable Merge All Videos switch and finally click Convert All to proceed with the process to combine MP4 videos.

Merge and convert files in MP4, MKV and others

All the added MP4 and other files will be merged together into one file which you can check from the Converted tab or click the Output icon at the bottom of the main interface.

Bonus Feature: Merge videos by cutting the unnecessary part

To make sure that your clips and movies turn into professional-looking videos, Wondershare video merger not only allows you to merge videos but also facilitates trimming videos selectively. So using the trim function of the video editor, you can get rid of the unwanted parts of the clips and then combine them together. Trimming the unnecessary parts can be removed to enhance your overall video watching experience. Learn how to trim videos easily.

So all your queries on how to merge two videos into one can be quickly and easily resolved using UniConverter.

Note: With the above solution, you can merge MP3 files, merge MKV files, merge FLV files, merge AVI files into one and more.

Watch Video Tutorial to Merge/Combine/Join Videos into One

Part 2. How to Merge MP4 Videos Together Online

Online tools come in handy when you have a few files and basic video merging needs. There are a number of free mp4 mergers that allow to join MP4 files online. And depending on your needs, you can pick the most suitable one. Majority of these tools are free to use and needs no download or installation. One such popularly used mp4 merger to combine MP4 online is AConvert. With AConvert, you can perform an array of functions like convert, crop, rotate, merge videos, and others. The MP4 video merger online supports an array of video formats for merging like MP4, AVI, WMV, ASF, OGV, and others. Thus, using this MP4 video joiner online, you can also join MKV files and other supported formats.

Note: Maximum of 200MB files can be added and all the files to be merged have to be of the same size, frame rate, and format.

How to Merge Two Videos Together Online Using AConvert

  • Step 1: Open https://www.aconvert.com/video/merge/ on your PC browser.
  • Step 2: Click Choose File to browse the file from PC or add file URL.
  • Step 3: Click Submit to start uploading the files and proceed with merging process.

After all the added files are merged, the final output file will be available at the interface for download.

merge videos online using AConvert

Limitations of merging videos online:

  • Maximum file size upload is restricted to 200MB.
  • The files to be merged needs to be in the same format, size, and frame rate.
  • Limited format support as compared to professional desktop software.
  • No option to select output format.
  • No editing features.

Part 3. How to Free Join Videos with VLC

When it comes to video playback programs, VLC stands on the list of top and popular names. But there is another side of this player as well - It works as a decent video editing tool. There are a number of editing features including merging videos that can be operated on VLC through command prompt. In order to merge video files using VLC, they need to be same in encoding. Looking for a way on how to merge videos in VLC, follow the steps below:

If your files to be merged do not have the same encoding, you need to first transcode them before proceeding with the other steps.

  1. Access your target video files from the windows folder, select all and right-click them to choose "Open Command Window", then you'd get a command pop up.
  2. Next copy-paste the detailed command "[Location of vlc.exe]" [first_clip.ext][second_clip.ext]-sout "#gather:std{access=file,dst=[new_name.ext]}"-sout-keep to the blank.
  3. Hit the “Enter” key and then wait as the VLC proceed to merge the files. You will know that VLC has completed the merging process when its status bar becomes blank and does not show the name of the videos.

Tips: If you want to merge 1.avi and 2.avi into another file named as 3.avi, then the command should change to "C:Program Files (x86)VideoLanVLCvlc.exe" rel="nofollow" 1.avi 2.avi --sout "#gather:std{access=file,dst=3.avi}" --sout-keep. Note the command works on the conditon that the VLC is installed by default directory.

Merge Videos in VLC

Limitations of merging videos in VLC:

  • The files to be merged needs to have similar encoding.
  • The process is quite complicated and difficult to understand for non-technical users.
  • VLC being a video player does not offer additional features.

So after reviewing the above methods, it can be concluded that Wondeshare UniConverter is the best and easiest video merger for all your needs of how to merge 2 videos together. Download it and have a free try now!

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Christine Smith

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