How to convert MP4 to AVI with MP4 to AVI converter on Win/Mac OS? With this guide you will find to convert MP4 to AVI with MP4 to AVI converter is so easy.

In this article we use Aimersoft Video Converter and Video Converter for Mac as our MP4 to AVI converter tools. So before our conversion, I'd like to introduce the main features of these two professional video converter tools.

Aimersoft Video Converter is a total video converter and video joiner to convert video to various video formats for your digital video and audio player, such as, iPod, Zune, PSP, Creative Zen, Archos, Pocket PC and so on. It supports various video formats including AVI, Divx, XviD, WMV, MPEG, MPG, FLV, DAT, RM, RMVB, MOV, ASF and also a video joiner for you to join several video files into one.

Aimersoft Video Converter provides a perfect solution for movie converter.You can convert youtube to video, join video files into one, convert one format to another format like WMV to AVI, VOB to AVI, and convert AVI to MPEG. With its advanced conversion technology, Aimersoft Video Converter can complete the conversion with good quality and high speed.

Along with the powerful conversion function, Aimersoft Video Converter also provides you a series of video editing function, like scene cropping and movie trimming, video effect adjustment. You can set up the parameters besides the default settings, change the resolution, bitrate, framerate, aspect ratio, adjust the brightness, contrast, saturation then you can get the best video quality.

Video Converter for Mac is specially designed conversion software for Mac users. It can perform video and audio conversions and extract audio from video files.

It features powerful conversion function and can convert video formats, as ASF, MPEG1/2/4, 3GP, MP4, MOV, AVI, WMV for Mac, iPod, Apple TV, PSP, etc. It can convert audio formats among MP3, WMA, OGG, WAV, AC3 etc. as well.

The key features of this excellent Mac conversion software includes:

**It features super fast conversion speed.
**It supports plentiful conversion formats.
**It is controllable in the conversion process.
**It supports Snapshot in preview process.
**It provides editing function for ID3 tag of WMA/MP3 format.
**It allows you to use the default settings or setting the parameters for the conversion at your will.

How to convert MP4 to AVI with MP4 to AVI converter on Windows?

Step1. Download MP4 to AVI converter for Windows, install and run it.

Step2. Import MP4 video files.

Click the "Add" icon to browse your hard disc. Select MP4 files you want to add then click "OK". The properties of added files will be shown as below:


Step3. Click "Profile" pop-up menu to choose a output format for the selected video. You can choose different output format for different video file.



In this artcile we set AVI as our output format.



Note: You can click "Settings" button to open settings window and change the parameters.

In the Video pane, you can select "Resolution", "Frame Rate", "Bit Rate" and "Encoder" for your video files.

In the Audio pane, you can select  "Sample Rate, "Audio Channel", "Bit Rate" and "Encoder" for your video files.



Note: In profile field, you can select an already exist profile for the selected file. You can also click "Save As" button to save a video and audio settings as a new profile.

You can export profiles to your computer or import profiles from your hard disc to the program.



Step4. Click "Output" to select a folder where you want to place your converted AVI files.

Step5. Click "Start" to convert your MP4 video to AVI video files.

The conversion process will be as follows:


Some tips for using this MP4 to AVI converter for Windows.

1. If you only want to convert a part of the video, you can click "Trim" button to go to the Trim panel to set the start time and End time for your clip.


2. If you want to cut the black edges of the DVD movie, you can click the "Crop" button, then you will see a pop up windows. There will be a frame in dashed line around the movie video; you can drag it to cut the black edges.


3. If you want to combine several video files into one file. You can check "Merge into one file" check box on the main interface, then you will get one output file instead of several files.

4. If you want some snapshot of your video files, click the "Snapshot" camera icon on the right panel when previewing your video. And click the folder icon to go to the picture folder, then you will see them. This converter supports output picture as JPEG or BMP format.

5. You can click the "Effect" button to customize the brightness, saturation, contrast, volume, etc. You can even apply special effects such as "Emboss", "Negative", "Old film" and "Gray" by selecting an effect from drop-down list.


How to convert MP4 to AVI with MP4 to AVI converter on Mac OS?

Step1. Download MP4 to AVI converter for Mac, you can choose Intel Version or PowerPC Version. Install and run it.

The Main window is as follows:


Step2. Click "Add" button to import MP4 files you want to convert.

Step3. Set profile for the selected output files on the right panel.

Click "Profile" pop-up menu on the "General" panel to select a output format. Meanwhile, you can also adjust video bit rate and audio bit rate for the selected profile, and set output file name for the selected file.

Note: After setting the profile for the selected files, you can adjust parameters by the "Advance" panel. For video formats, you can set codec, video bit rate, resolution, frame rate, etc. For audio formats, you can set audio codec, audio bit rate, sample rate and channels, etc. In most cases, the default works well.

Step4. Click "Browse" button to select a path where you want to place your converted files.

Step5. Click "Convert" button to convert your MP4 files to AVI video files.

Step6. After the conversion is done, you can click "Open" button at the bottom of the main interface to browse your output folder.

Note: If the output file is in iPod MP4 format, you only need to click "Open" button, and copy or drag the required files into your iTunes.

Some tips for using MP4 to AVI converter for Mac OS

1. Convert a clip of your video file

You can use "Trim" panel to choose a segment of the selected file to convert it.

2. Supports batch conversion

In order to save your time, this converter supports the batch conversion and multithreading after one adding.

To do this, all you have to do is to add the files that you wish to convert, select required profiles for different files, and then click the "Encode" button. It will start the conversion automatically. You can do something else at the same time.

3. Supporting H.264

7 profiles that support H.264 video codec is added to Video Converter for Mac's profile list. They are PS3 Video (1080P) MPEG-4 (*.mp4), PS3 Video (480P) MPEG-4 (*.mp4), PS3 Video (720P) MPEG-4 (*.mp4), PS3 Video (480P) MPEG-4 Excellent (*.mp4), PSP AVC Video Format (*.mp4), MPEG-4 AVC Video Format (*.mp4) and Zune MPEG-4 AVC Video Format(*.mp4). By using these profiles in encoding, the encoding data speed can be up to 30Mbit/s and the supported image pixel is ranged from 96x80 to 1920x1072, which provide you with more and better choices.

Note: At present, H.264 video codec has only processed macroblocks of 16. Therefore, the width and height of a video need to be the multiples of 16. For example, if you wish to output a video of 1080, please make sure that the video’s height is 1072 or 1088 and the width is 1920.

Hint: If you wish to select a profile higher than 720P, please make sure that the source is DVD disc or folder in high definition (HD) format.

4. When connecting an iPod to a TV to play videos, we recommend "iPod Video2 For TV"

Video Converter for Mac provides six profiles, "iPod (320×240) MPEG-4 Normal", "iPod Video2 (640×480) MPEG-4 Normal", "iPod (320×240) MPEG-4 Excellent", "iPod Video2 (640×480) MPEG-4 Excellent", "iPod MPEG-4 Video- Minimal Size" and "iPod Video2 For TV" to support the conversion for iPod devices.

Hint: If you wish to connect an iPod to a TV to play videos and your iPod supports 640×480, we recommend "iPod Video2 For TV".

These two MP4 to AVI converter tools are both powerful to convert MP4 to AVI files. Download the free trial version to try yourself right now!