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How to Convert AVI/WMV to MP4 with MP4 Video Converter

MP4 video format is the mostly used format for popular video players such as iPod (iPod classic, iPod nano and iPod touch), iPhone, Apple TV, PSP, Creative Zune, iRiver and so on, although the specs of MP4 files supported by these players different from one another, Aiseesoft MP4 Video Converter for Windows is a powerful program to convert 3GP, AVI, WMV, RM, MPEG, ASF, etc. to MP4 video for most popular mobile players.

Convert Videos to MP4

Convert Videos to MP4

This guide is to demonstrate how to trim, crop, combine and convert all popular video format to MP4 format for all MP4 players such as Creative Zen, SanDisk, Archos, Zune, iPod, PSP, Xbox 360, PS3, etc. It also can extract audio track from video to MP3, M4A, and AAC audio file.

Part 1. How to convert video to MP4

Step 1 Please download MP4 Video Converter; you can free download it from here

MP4 Video Converter For Mac

Step 2 Install and run Aiseesoft MP4 Video Converter, click the "Add File" button to import your videos. If you experience any problems adding videos by directly clicking the "Add" button, you can click "File -> Add file" to add the video files you want to convert from your computer.

Add videos

Step 3 Then Click the "Profile" drop-down list to select the format you prefer for each added file. If you don't know what formats your device support, you can just select the format according to the device.


If you want to customize the output quality, click the "Settings" button to open the Settings panel, where you customize resolution, frame rate, video bit rate, audio bit rate, sample, etc.


To convert video to MP4 format with Aiseesoft MP4 Video Converter for Windows, you can follow below video guide:

Part 2. How to edit output MP4 video

Step 1 Crop video frame

If you want to cut the edges off your video, you can click the "Crop" button to open the crop panel. There is a frame in dashed line around the movie video; you can drag it to cut off the sides you don't want. You can also type in values in the four Crop value boxes to crop your video more accurately.

Learn here to get more details to crop video file.


Step 2 Trim video length

MP4 Video Converter allow you to trim your each video file so you can capture your favorite clips from your video files. After you click "trim" button, you can Preview your the selected video file in the Preview window and estimate what part of the movie you want to convert.

Then enter the start time and the end time to the time box in the left side or drag the start/end time bar below the Preview window to set the clips you want to convert, then click "OK' to start the conversion.

Get a more detailed guide to crop a video file.

Trim video

Step 3 Join videos together

If you want to join several video files into one file, on the main interface, click the check box "Merge into one file", and you will only get one output file instead of multiple files.

Merge video


Here are some tips which may help you to solve problems resulted from the conversion process and make your conversion more perfect.

1. How to convert free limewire music and videos to MP4 formats for some MP4 players such as iPod, Zune, PSP?

Aiseesoft MP4 Video Converter fully support video or music downloaded from Limewire. For the detailed information, you can refer to this guide: Limewire to iPod.

After you download video from limewire, just load it into Aiseesoft MP4 Video Converter and convert it to MP4.

If you use iTunes to convert limewire video, the output video may have no sound, because iTunes cannot convert muxed video (muxed videos are video files whose audio and video are on the same track, and QuickTime or iTunes cannot properly process this kind of videos). You can learn more info about muxed video by visiting:

If you have problems converting muxed videos, you can try Aiseesoft PSP Movie Converter, and it very well support muxed videos.

2. How to download free YouTube video to MP4 for iPod, iPhone, PSP, Zune, etc?

Video files downloaded from YouTube are stream videos (flv). You have to convert them to MP4 video to transfer them to your PSP. If you don't know how to download YouTube videos to your computer, you can refer to this guide: Free download YouTube video

After you download YouTube videos to your computer, convert them with Aiseesoft PSP Movie Converter and use iTunes to transfer the converted videos to PSP. You can also choose to transfer the PSP files using the built-in transfer tools of Aiseesoft PSP Movie Converter.

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June 21, 2018 16:43 / Updated by to Video Converter