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How to Merge Multiple MP4 Video Files into A Single One

Merging multiple MP4 video files into one is a smashing way to make self-made movies (for sharing or uploading to YouTube, for example) or combine several episodes of a TV series. No sophisticated technology is needed to achieve this, and there are many tools can merge MP4 files. However, most free channels will wipe the smile off your face.

Turning to desktop MP4 video merger programs seems a better idea, but there are still shortcomings in some tools, for example, VirtualDub doesn't seem to support MP4 format, FFmpeg is difficult to process the command line, and not a few freeware programs have adware or other unpleasant plug-ins. Besides, plenty of video joiners get stuck or run slow on Windows 10 OS. How to easily merge MP4 video files?

Recommended MP4 Merger Softare to Join MP4 Files

WinX HD Video Converter Deluxe can combine multiple MP4 video files with different codec formats, frame rate, bit rate, into a single file. No input formats limit. Add several MP4 videos and merge into a new MP4 file or convert to other video formats based on needs. No quality loss. Also, convert any other videos from one format to another.

Video Tutorial: How to Combine Several MP4 Clips into One

User Guide: How to Merge MP4 Video Files into a Single File?

1. Input server video files for merging.
After launching the free video merger and converter software, tap "+Video" button on the top left, browse and choose one or more video files at one time from your computer. You can add MP4 and any other formatted video files.

Input Video Formats Supported:
• MP4 container formats: MPEG-4, H.264, AVC, MPEG-1, MPEG-2, H.265/HEVC, VC-1/WMV, Real Video, Theora, Microsoft MPEG4 V2, VP8, VP9, MV
• HD-Camcorder/drone Videos: JVC (*.mod, *.tod)/Sony (*.mts, *.m2ts)/Panasonic & Canon camcorder video, Gopro, DJI drone videos, etc.
• HD Video Formats: HEVC (H.265), AVCHD, H.264/MPEG-4 AVC, MPEG2, MPEG-4 TS, MPEG-2 TS, Quick Time, WMV, Blu-ray Video, HDTV Video, Matroska Video
• SD Video Formats: AVI, MPEG, WMV, MP4, M4V, FLV, H.264/MPEG-4, DivX, Xvid, MOV, RM, RMVB, VOB, ASF, 3GP, 3G2, QT, DAT, Google TV, WebM, VPX 8

2. Choose MP4 as output format.
• If you'd like the merged file to be output in a general MP4 video: Output Profile -> General Profiles -> MP4 Video (Recommended) [Codec: H264+AAC] -> OK;
• If you'd like the merged file to be played on iPhone (X): Output Profile -> Device Profile -> Apple Device -> to iPhone Video -> iPhone X (H264) -> OK;
• If you'd like the merged file to be able to upload to Facebook: Output Profile -> Web Video Profile -> Facebook Video -> MP4 Video (Recommended) [Codec: H264+AAC] -> OK

How to Combine Videos with WinX Video Merger
How to Combine Videos

3. Check "Merge" item on the right.
On the right of the main interface, click to check the "Merge" option on the right.

4. Change the video sequence.
You can adjust the sequence of the video files you added, or delete any of them to disable its merging.
Sequence: move the mouse on the file you want to adjust, click Up or Down icon on its right to move up or down.
Delete: move the mouse on the file you want to adjust, click Trash Bin and the file will be removed.

5. Set up the merged MP4 file.
On the top of the video section, click the Settings icon and make adjustments of video audio parameters according to your need.

6. Edit the video files.
You can edit any file by clicking "Edit" icon, say, adjust Audio Volume, add subtitle, crop, expand, trim the video.
Note: This action is conductive only before you checking "Merge". If you want to edit each video, you should uncheck "Merge" first.

7. Start merging the video files.
Hit "RUN" button on the bottom right. After seconds, you can get the merged MP4 video file in the destination folder you set on your computer.

Desktop MP4 Video Joiner vs Online MP4 Merging Tools

Taking AConverter, a free online video editor for instance, it has the following drawbacks, like many other online MP4 mergers do:

- The files to be merged must have the same format (such as MP4 file with the same codec), file size and frame rate. It is way harsh because it is almost impossible to meet this requirement.
- The size of MP4 video file is limited to 200M, which defeats HD video recording and movie merging.
- The merging process is quite slow. It is frame by frame technique that seems to be used, which make it extremely time consuming.
- Even after repeated tries, it still fails to merge MP4 video files.

Most people pick up desktop program like WinX HD Video Deluxe for video merging for one of the following reasons.

- It free merges MP4 video files without losing quality
Uniquely, it has in-built High Quality Engine and De-interlacing Engine to make sure the image quality of compressed MP4 file is optimal.

- No file size/resolution/format/frame rate limits
Source MP4 video files can be in different size, resolution, frame rate, codec formats, etc. 500MB, 1GB, 100GB, 1TB, there's no file size limits.

- It is 100% clean, safe and free.
Unlike some other freeware, WinX Video Converter contains no adware, ransomware, malware or virus at all.

ABOUT THE AUTHOR

Author - Kistent Waung

Kistent Waung twitter icon

Graduated from Nanyang Technological University, Singapore, she employs herself in IT related content creation (since 2013) and happens to perfectly combine her major (computer & science) and her gusto (writing). She's seasoned at offering video audio conversion workarounds and always passionate about new trends, from hot HEVC, 4K to the new AV1 codec.

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