An AVI (Audio Visual Interleave) file is a multimedia container file for playing videos that are synchronized with audio in Microsoft Windows applications. You may find it necessary to convert your AVI files to MP4 (MPEG-4) for playback on other devices, such as your smartphone, iPod or PSP (PlayStation Portable). MP4 files are also multimedia container files and have become the most popular files to play on portable devices. You can convert AVI to MP4 with the help of free or paid file conversion programs, or by uploading the AVI file to a file conversion site.
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Method 1 of 2: Using Conversion Software
Step 1. Look for free file conversion software
File conversion software can be downloaded and used to convert AVI to MP4. Reviews from users and editors can help you to choose the best software to convert AVI to MP4. Some software options that you can 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 file conversion program of your choice and install it on your computer
While free software is definitely better, understand that you may need professional (paid) software if you want very specific output in terms of codecs, sizes and other factors.
Step 3. Open the program and read the instructions or tutorial
If you downloaded a free program from the internet, consult the appropriate forum for instructions or forum posts relating to any specific questions you may have.
Step 4. Import the AVI file into the program to convert the file according to the program's instructions
Most programs have an "Add files" option, or allow you to manually drag and drop files onto the conversion screen.
Step 5. Select MP4 as the output format
Add applicable parameters for size, resolution, codec and other factors in the Settings menu, if your program has them.
Step 6. Select a directory and storage name for your output file (optional)
Open the Output Folder drop-down and select the desired storage location for your converted file. Skip this step if you want to use the default location for the converted file.
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Select the output file nomenclature which will help you to find and retrieve files easily.
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Step 7. Start converting your file according to the instructions given in the application
Method 2 of 2: Using File Conversion Sites
Step 1. Find a site that supports online file conversion and upload your AVI file
Check the site for parameter restrictions, which are usually enforced by free services on the internet.
Step 2. Select MP4 as the output format
Step 3. Adjust the output file settings for AVI to MP4 conversion, if necessary
Step 4. Enter your email address to receive and download the output file
Step 5. Read and accept the terms of use (if you agree to them)
Step 6. Click on the specified place to start the file conversion
Step 7. Check your email to receive a notification that the AVI to MP4 conversion is complete
Step 8. Download the converted MP4 file
Tips
- File conversion programs that support batch conversion will save you a lot of time, as they can convert more than one file at a time.
- Many file conversion programs or websites have a "wizard" feature to help you choose the best output settings for the video player you will be using.
- Save your AVI file if it is larger and less compressed than your output MP4 file. If you need to perform additional conversions in the future, you should use a high-quality source file for best results.
Warning
- Be careful when choosing a program or site to convert AVI files to MP4. Aside from annoying ads and pop-ups, some programs advertised as "free," turn out to be trial versions where you can only convert part of the file until you pay for their full version.
- Read carefully the terms and conditions for file conversion software and services.
- Be careful when downloading additional toolbars or other features.
