How to Convert AVI videos to MP4 format


Knowing how to convert AVI to MP4 is important for many reasons. First and foremost, MP4 is a widely accepted format across different platforms and devices. Plus, MP4 videos are smaller in size than AVI files, meaning that changing the format can help save storage space.

In this article, we'll guide you through the simple and efficient process of converting AVI to MP4, ensuring seamless playback across various devices. We'll provide you with 5 video converters and step-by-step instructions for using each of them.

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How we picked AVI to MP4 converters

Selecting the best video converter involves careful consideration of various factors to ensure efficiency and a user-friendly experience. Here are the key criteria we used:

  • Conversion speed. We evaluated converters based on their ability to swiftly turn AVI files into MP4.
  • Output quality. We assessed the programs on their capacity to produce MP4 files with minimal loss of visual and audio fidelity.
  • Ease of use. We considered how intuitively the converters allow users to select, process, and save files.

Method 1. Icecream Video Converter

Icecream Video Converter is conversion software that supports various formats, including popular ones like AVI, MP4, MKV, and more.

Here's how to convert AVI to MP4:

  1. Download and install the free video conversion software onto your computer.
  2. Launch the program, press the "Add File" button, and select the AVI video you'd like to convert.
  3. Choose "MP4" as the output format. You may also adjust other parameters, such as video length and audio quality, add a watermark, etc.
  4. Pick the output folder, click "Convert", and wait for the conversion process to complete.
  5. Once it's finished, you can find the result MP4 file in the folder you've selected.
Icecream Video Converter - Free online AVI to MP4 converter


  • User-friendly interface. The free AVI to MP4 converter comes with an intuitive interface. This makes it accessible to users with varying levels of technical expertise.
  • Batch conversion. You can convert multiple videos simultaneously in batch mode, saving time and effort, especially when dealing with large collections of files.
  • Editing tools. The software offers basic video editing features. These include trimming, cutting, and adjusting the resolution of the video before conversion.
  • Preview feature. Users can preview videos before initiating the AVI to MP4 conversion, ensuring they are satisfied with the selected settings.
  • Subtitle support. The application supports the inclusion of subtitles in converted videos, enhancing the overall viewing experience.

Taking advantage of Icecream Video Converter enables users to swiftly and easily convert their AVI files to MP4 format with only a few clicks of the mouse.

Method 2. Quicktime Player

Quicktime Player is a multimedia framework and media-playing application developed by Apple Inc. It is the optimal tool to turn AVI into MP4 videos on Mac, although it works great on Windows too.

Here's how to get it done:

  1. Install and open Quicktime Player PRO on your computer.
  2. Click "File" in the upper left corner, then "Open File" and choose the AVI video for transformation.
  3. Once the video is imported, hit "File" again, then select "Export As".
  4. Choose "MP4" from the drop-down menu next to "Format".
  5. Press "Save" and wait till the conversion process is done.
Change AVI to MP4 with Quicktime Player


  • Platform compatibility. The program is available for both Windows and macOS computers.
  • Preservation of metadata. The AVI to MP4 converter preserves metadata such as tags and descriptions.
  • Audio recording capability. The ability to record audio provides users with an additional feature.


  • No batch processing. The software lacks batch conversion support. Users might find it inconvenient for large video collections.
  • Paid access. The free version is simply a multimedia player. You will have to pay for QuickTime Pro 7 to use the AVI to MP4 conversion features.

Quicktime Player offers a great solution to efficiently and swiftly change AVI files to MP4 format on your macOS or Windows computer.

Method 3. Video Candy

Video Candy is a web-based platform for editing and converting multimedia files. It offers a simple yet powerful converter to switch from one format to another, including AVI to MP4 conversion.

See the guide on using it below:

  1. Access the online video converter with your browser.
  2. Select "+ Add File" to upload your AVI video.
  3. On the right side, you will see the list of available formats to convert to. Hit "Convert to MP4".
  4. Your converted video will be prepared shortly. Click "Download file" to save it to your device.
Video Candy - online AVI to MP4 video converter


  • User-friendly interface. The online AVI to MP4 converter features an easy-to-use interface, ensuring that anyone can efficiently navigate through its tools.
  • Swift processing. The conversion process is remarkably fast, typically taking only a few seconds or minutes, depending on your internet speed.
  • Additional features. Geared towards video editing tasks, the platform offers various tools for tasks such as video trimming, adding music, and more.
  • No registration necessary. There's no requirement to sign up or register; you can start converting your files immediately without any delays.
  • Security and confidentiality. Your uploaded data is kept safe and confidential, with automatic deletion within 60 minutes if not done manually.


  • Watermark addition. The service applies a watermark on the converted video. To remove it, you need to create an account.

In sum, Video Candy is a great tool for converting AVI to MP4 as well as working with other formats. Thanks to being web-based, it can be used on any device, even on the phone.

Method 4. VLC Media Player

VLC Media Player is a popular open-source multimedia player. Using it to turn AVI into MP4 is a great way to confirm that your videos are suitable for multiple devices and platforms.

Here's a step-by-step guide:

  1. Download and install VLC Media Player on your computer.
  2. Open the program, go to the "Media" menu, and select "Convert/Save".
  3. In the "Open Media" window, click the "+Add" button to import the AVI file you want to convert.
  4. Press the "Convert/Save" button again.
  5. In the next window, choose MP4 as the output format.
  6. Set the destination folder and click "Start" to begin the conversion process.
Converting AVI to MP4 with VLC Media Player


  • Open-source. This is a free video converter that allows users to use and modify it without any cost.
  • Platform compatibility. The software is available for Windows, macOS, Linux, and other operating systems.
  • Customizable settings. You have the option to customize various output settings, such as resolution, bit rate, and codec selection.
  • Batch conversion. The program allows batch processing, enabling users to convert multiple files simultaneously, saving time and effort.


  • Not intuitive. While it can handle various tasks, the application may be less intuitive for some users, particularly those unfamiliar with multimedia software.

Overall, VLC Media Player offers a free and cross-platform solution for converting AVI to MP4 with a range of customization options.

Method 5. CloudConvert

CloudConvert is a web-based conversion service that supports a multitude of video formats. An online AVI to MP4 converter is the ideal choice for those who want to convert their videos on the go.

Here's how you use it:

  1. Go to the CloudConvert website.
  2. Press "Select File" to upload your AVI video.
  3. In the "Convert to" dropdown menu, select "Video" and choose "MP4."
  4. Click the "Convert" button.
  5. Once the conversion is finished, you'll be prompted to download the result MP4 file.
CloudConvert - online video converter


  • Accessibility. The service allows users to convert AVI videos to MP4 format on any device with an internet connection.
  • Cloud storage integration. The platform can directly import files from and export results to cloud storage services like Google Drive, Dropbox, and OneDrive.
  • Editing options. The online video converter provides basic editing options like trimming, resizing, and adjusting audio settings.


  • Limited free usage. While the service has a free version, there is a restriction of 25 conversions per day.

With its user-friendly interface and cloud integration, CloudConvert will make any conversion task simpler and quicker than ever!

AVI vs MP4

AVI (Audio Video Interleave) and MP4 (MPEG-4 Part 14) are two widely used video formats. Each of them offers its unique set of features and characteristics. Let's take a closer look.

CompressionHas less efficient compression compared to newer formats.Has more efficient compression, resulting in smaller file sizes.
QualityQuality is good, but file sizes can be larger compared to other formats.Generally maintains good quality with smaller file sizes.
CompatibilityWidely supported but may have issues with newer codecs.Highly compatible and widely supported across various devices and platforms.
MetadataLimited support for metadata.Supports extensive metadata, making it suitable for professional applications.
StreamingNot as good for online streaming.Ideal for online streaming due to efficient compression and compatibility.
UsageCommonly used in older systems and applications.Widely used for various purposes, including web streaming and video editing.

In conclusion, both AVI and MP4 formats offer unique advantages and are suitable for different scenarios.

  • AVI, with its longstanding presence, remains a reliable option for certain applications.
  • MP4 stands out as a versatile format, especially in the context of modern media consumption, online streaming, and professional video editing.

Understanding the strengths and limitations of each format empowers users to make informed choices based on their specific needs and preferences.


Is there any quality loss during the AVI to MP4 conversion?
There might be a slight loss in quality, but it's negligible if you use good conversion tools and appropriate settings.
Does the conversion process take a long time?
The time it takes depends on factors like file size, your computer's performance, and the converter you're using. Generally, it's a relatively quick process.
Can I convert multiple AVI files to MP4 simultaneously?
Many conversion tools support batch processing, allowing you to convert several AVI videos to MP4 in one go. Check the capabilities of the specific tool you are using.
What are the recommended settings for optimal AVI to MP4 conversion?
Recommended settings depend on your specific needs, such as desired video quality and compatibility. However, a common approach is to choose the H.264 codec for video compression, as it provides a good balance between quality and file size for MP4 format. Adjusting resolution and bitrate according to your preferences is also recommended.
Will the subtitles be preserved during the conversion?
In most cases, yes. However, it's essential to check the settings of the converter to ensure subtitles are included.
Will the converted MP4 file be smaller in size?
It's possible, as MP4 is generally more efficient in terms of compression. However, the file size also depends on the settings you choose during conversion.
Will the MP4 video play on all devices?
MP4 is a highly compatible format, and it should play on most modern devices, including smartphones, tablets, and computers. However, it's advisable to check the compatibility of the target device.
Are there any legal considerations when converting AVI to MP4?
Generally, converting video formats for personal use is legal. However, redistributing copyrighted material without permission is against the law. Always ensure you have the right to convert and use the content.

Tips on how to convert AVI to MP4

  1. Understand output settings. Parameters of the output file include resolution, bit or frame rate, and codec. Adjust these settings based on your needs.
  2. Backup original files. Before starting the conversion, make a backup of your original AVI files. This ensures you have a copy in case of any unexpected issues during the conversion process.
  3. Adjust resolution. Ensure that the resolution and aspect ratio are suitable for your intended use of the MP4 file.
  4. Be mindful of file size. Consider compressing the MP4 video, especially if you have limited storage space. Adjust the settings to balance file size and quality.
  5. Verify audio settings. Confirm the audio settings, including channels and bit rate, to ensure optimal sound quality.


Overall, converting AVI to MP4 is simple if you take the appropriate steps. Whether you opt for the versatility of conversion software or the convenience of an online video converter, these four simple methods provide you with the flexibility to change format effortlessly.

Choose the AVI to MP4 converter that suits your preferences and needs, and unlock the compatibility of MP4 for your video files.

Alexandra Meyer

Editor-in-Chief at Icecream Apps

With experience spanning over several years, Alexandra Meyer holds the esteemed position of editor-in-chief at Icecream Apps. Originally involved in the website's establishment in 2014, Alexandra now ensures the maintenance of the company's exceptional content standards across their various projects. Specializing in technology, software, online services, and human resources, she has extensively written and edited numerous articles on these subjects.
7 min read
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