Audio Visual Interleave (AVI) files are a multimedia container format for playing video synchronized with audio in Microsoft Windows applications. You may find that you need to convert AVI files to MP4 (MPEG-4) for other playback situations, for example on a smartphone, iPod or PSP. MP4 files are also a multimedia container format. MP4 is the most popular file type for portable playback. You can convert AVI to MP4 with the help of a purchased or free file converter program; or by uploading the AVI file to a file conversion website.
Steps
Method 1 of 2: Using Conversion Software
Step 1. Look for free software
File conversion software can be downloaded and used to convert AVI to MP4. Reviews made by users and editors can help you to choose the best to convert AVI to MP4. Some software possibilities to consider include:
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Wondershare
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Xilisoft
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WinX
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Handbrake
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AutoGK
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Step 2. Purchase or download the selected program and install it on your computer
While free software is preferable, you may need professional (paid) software if your output needs are extremely specific in terms of codecs, size, and other factors.
Step 3. Open the program and instructions or tutorials
If you downloaded the program for free, consult appropriate forums to read tips or advertisements on specific questions you may have.
Step 4. Import the AVI file into the program by following the instructions
Most programs have an "Add files" option, or will allow you to manually drag the file to the conversion screen.
Step 5. Choose MP4 as the output format
Add applicable parameters for size, resolution, codec and other factors in the Settings menu, if one exists in the program.
Step 6. Choose the destination directory of the output file and assign it a name (optional)
Open the Output drop-down folder and select the destination from where you want to retrieve the converted file. Skip this step if you want to use the default location for converted files.
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Choose a name for the output file that will help you find and recover files easily.
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Step 7. Begin the file conversion as directed in the application
Method 2 of 2: Using a Website for File Conversion
Step 1. Search for a website that supports online file conversions and upload the AVI file
Check if there is any limitation of the parameters, often found in free online services.
Step 2. Choose MP4 as the output format
Step 3. If necessary, customize output file settings for AVI to MP4 conversion
Step 4. Enter your email address to receive and download the output file
Step 5. Read and accept the terms of use (if you can accept them)
Step 6. Click where indicated, to start converting the file
Step 7. Check the email for notifications that the AVI to MP4 conversion is complete
Step 8. Download the converted MP4 file
Advice
- File converters that support batch conversion will save you a lot of time, as they are capable of converting more than one file at a time.
- Many file conversion programs or websites have "Wizard" features to help you select the best output settings for the playback device you intend to use.
- Save AVI files if they are larger and less compressed than the output MP4 files. If you need to do more conversions in the future, you will probably want to use the best starting files for the best results.
Warnings
- Be careful in choosing a program or website to convert AVI files to MP4. Some programs, in addition to having confusing advertisements and pop-ups, are advertised as "free", but these are trial versions that allow you to convert part of the files until you pay for the conversion of the entire file.
- Read carefully the Terms and Conditions for File Conversion Software and Services.
- Please consider before downloading new toolbars and other features.
