avi to mp4
AVI to MP4 Converter - UniConverter
  • Convert AVI to MP4 or other 150+ video or audio formats.
  • Edit your AVI files with built-in video editor.
  • Convert online videos from 1,000 popular sites to AVI with ease.
  • Transfer AVI files to iPhone, iPad, Android and other devices easily.
  • Burn your AVI videos to DVD if necessary.
  • Powerful toolbox includes: Fix Metadata, GIF Maker, Screen Recorder, VR Converter, etc.

Free AVI to MP4: Best AVI to MP4 Converter for Mac or Windows PC

by Brian Fisher

When you are converting an AVI file to MP4 for Mac and Windows platforms, the following free AVI to MP4 converter will give you options to think about. Now you can weigh the pros and cons and then select the right one according to your requirements.

Part 1. Best AVI to MP4 Converter for Mac or Windows PC You Can't Miss

UniConverter does a better job than any online video converters out there. In fact, it was created with an efficient and astounding algorithm that lets you convert AVI files to MP4 format UP TO 90% FASTER with ZERO LOSS of quality than online AVI to MP4 converter. The magic is based on the UniConverter program utilizing both your CPU and GPU to save you precious time, while the original audio and video quality is preserved because the software keeps the underlining codec unchanged (You can free download it below).

Get the Best AVI to MP4 Video Converter:

  • Easily convert AVI to MP4 on Mac or Windows computer without losing any quality.
  • Supports more than 150+ audio and video output formats, including MP4, AVI, MOV, MKV, FLV, etc.
  • Transfer the converted MP4 or other video files to Android, iPhone or iPad without iTunes.
  • Convert and burn DVDs and vice versa. DVD to video formats like MP4, AVI, MOV, etc.
  • Edit your videos before converting or burning to DVD with Trim, Crop, Effects, or One Click Enhance.
  • Download online video with one click from 1,000+ popular video-sharing sites such as Youtube, Vimeo, Hulu and many more!
  • Enjoy interesting tools to make GIF, convert VR, cast HD video to TV, record screen or others.
  • It is fully compatible with macOS 10.15 Catalina and earlier Mac system, also compatible with Windows 10/8/7/XP/Vista.

Convert AVI to MP4 with the Best Alternative to Free AVI to MP4 Converter (3 Easily Steps)

Before getting started, you can also watch the following video tutorial to get a general idea on AVI to MP4 conversion on Mac.

Step 1. Import your AVI videos

To begin with, please load your AVI videos to iSkysoft MP4 converter with drag and drop method, or click the Add Files button on the main interface to add AVI files. In addtion, this AVI to MP4 converter allows to directly import from mobile devices, just click the drop down icon beside the "Add Files" option.

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Step 2. Select MP4 as the output format

Now you need to set MP4 from the Video tab to set as the output format from the format tray (Like the screenshot does below).

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By the way, this AVI to MP4 video converter also enables you to edit your AVI files before conversion. For any need for editing, click the editing icons under the video preset window. You can cut, trim, crop, rotate, add effects, watermark, etc. according to your need.

Step 3. Start AVI to MP4 conversion

Now you can simply click the Convert button in the video display bar to complete the AVI to MP4 converting process without any trouble. For multiple files from AVI to MP4, tap the Convert All button at bottom right.

It is pretty easy, isn't it? Download this AVI to MP4 converter and try to convert your AVI file yourself! You will find it great!

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Part 2. Free Online AVI to MP4 Converter

#1. Online Audio Converter & Video Converter

If you are looking for an AVI to MP4 converter online, you can check on media.io. This AVI to MP4 converters boasts of a great user interface. You just need to upload your files, choose the output format and convert the files easily. With media.io you can upload files from your local drive easily. This online converter supports audio formats, video formats standard audio formats, HD video formats and also preset device formats. media.io is one of the websites that you must use since it is easy to navigate and it outputs high-quality files.

• This online converter is 100% safe to use.
• It supports device formats.
• It lacks options to edit output settings.
• The conversion speed is slow and depends on the Internet.
• Limits to video size

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#2. OnlineVideoConverter.com

This AVI to MP4 converter free is actually one of the simplest yet effective AVI to MP4 converter for users. It is capable of converting audio/video files to various common formats such as MP3, AAC, OGG, WMA, M4A, FLAC, MP4, AVI, MKV, and M4V among others. This excellent cloud conversion tool allows users to upload files from their devices and cloud storage for conversion.

• The program is compatible with all web browsers.
• This tool not only support upload of files from devices but also support conversion from cloud storage.
• Has a rather clumsy interface.
• It has ads.
• You need to download the files after conversion.

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#3. Online-Convert.com

Another AVI to MP4 converter is Online-Convert.com. This website allows you to upload files from your local folder, Google Drive and Dropbox which in turn you can convert them to preferred output formats. Other than that this website allows you to edit output settings of your file. An advantage of using this AVI to MP4 converter is that you will get free knowledge base of the file formats. Moreover, Online-Convert.com is also a converter of audios, eBooks, Misc, Documents, Images, Archives, CADs and others. Online-Convert.com is also multilingual, and it supports four languages namely, English, Russian, French and Spanish.

• It has supports multiple file formats.
• It is integrated with other converters.
• To convert files exceeding 100MB you need to register.
• The speed is slow.
• Won't output the converted video in high quality.

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#4. cloudconvert

There is also another online AVI to MP4 converter free known as cloudconvert. This website also does conversions of videos audios and images. It supports different sources to upload files like the local drive, Dropbox, Box, Google Drive, One Drive and also download them from various sites. On the home page, there is a free knowledge base that you can read that leverages your file conversions. What is more exciting about cloud convert is that you can create archives. You can also trim videos on the general settings. You can just try out this software and be sure to convert your files to Google Drive or Dropbox.

• It allows you to edit file output settings.
• It supports conversion of files to cloud storage.
• To enjoy advanced features you have to sign up.
• Its user interface might be confusing for first time users.
• Has limits to video size and amount.

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#5. Free Online Video Converter

This converter has been in use for the past many years and it helps you convert AVI to MP4 free. The converter is feature rich. The best thing about this converter is that it is very easy to use and it converts almost all formats into MP4 and vice-versa. It can convert files up to a maximum size of 100 MB.

Easy to operate.
Very user friendly operational instructions.
Converts files within a few minutes.
Files get downloaded to the laptop or desktop.
Maximum size is 100 MB beyond which it cannot convert online. Anything above 100 MB can be converted only by registered on the company’s website.

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#6. Zamzar Video Converter

This is also considered to be one of the most popular and much in demand converter. Hence for all those who wish to convert avi to mp4 online it makes sense to go in for this converter. It is very feature rich and easy to operate. Let us have a look at a few advantages and disadvantages

The files are selectable from the computer, and then the target format is chosen.
Once this is done the email details should be provided.
Then the CONVERT icon should be activated and the converted file will be sent to the email provided.
The conversion process is little slow when compared to others.
The converted files often get mailed to the email ID which at times could land in the spam box.
The maximum file size is 100 MB and beyond that one has to register and pay for.

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#7. Apowersoft Video Converter

This is again considered to be a very effective and highly dependable online AVI to MP4 converter. It has many advantages that are worth mentioning when compared to others.

It has 21 output format including mp4.
The video and audio settings are customizable.
Small files are very rapidly converted.
Apart from the slow speed of conversion for high sized files there is nothing negative as far as this online converter is concerned.

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#8. Bender Converter

According to many users this is considered to be one of the best online AVI to MP4 converters. It has many features and benefits and for some it is arguably the best online converters.

This is one of the few online converters which manually allow you to select the appropriate device that is supports, in case customers do not know it.
It can also be used for converting files into format that can be used on iphones and other such devices.
It has very fast conversion speed.
Maximum permissible free online conversion size is 100 MB. Above 100 MB, customers have to register and pay for online conversion.

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#9. Convertfiles Video Converter

Many users who have used this site for converting avi files into mp4 have found it to be very fast when compared to others. It is very user friendly and extremely dependable.

It has simple 2-step process for conversion of files online. Either the file can be uploaded or the link can be copied in the blank box
Sometimes the downloaded files take long time to reach the download folders

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#10. AVItoMP4

AVItoMP4 is another excellent free online converter featuring simple and straightforward conversion process. Uploading the source file is not just limited to devices like computer but also from Google Drive, Dropbox, URL, and even by drag and drop method.

• The program features a simple and intuitive interface.
• This online tool supports a wide range of uploading files including cloud support.
• The program is slow.

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Part 3. Recommend Other Free AVI to MP4 Converter

#1. Handbrake

Handbrake is an open source software program that will make your conversion of AVI to MP4 easy and enjoyable. It can convert to very many formats which indicate its high compatibility rate. Furthermore, it's available for free and works best with Linux, Mac and Windows platforms.

Step-by-step guide:

Make sure you have downloaded Handbrake software program online and install it to your computer before proceeding.

1. Import files- you can then launch the program and browse to the folder where the AVI files are stored. By double-clicking on any file, it will be added and you can view all the related information like length.

2. Output format the only choice you will have in this one is setting the output format as MP4. There is an opportunity to tweak your output format if you so wish.

3. Start conversion- this will be actualized by clicking on the "Start" button and you can track the process constantly.

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#2. FFmpeg

The biggest advantage with FFmpeg is the many customizing options you will enjoy. They count to zillion and will help make your output video more expressive and professional. You can increase bitrates for both video and audio with much better codec. FFmpeg is surely the best bet.

Step-by-step guide:

1. Installation- this will be the initial step to set stage for usage of FFmpeg in converting AVI to MP4. The program must be installed to the computer and fully functional before making further progress.

2. Adding AVI files to the program will then follow but you should not add unnecessary files. Just those you will be converting are enough.

3. Convert the files- this will be the last step to undertake when converting AVI to MP4. The options offered by FFmpeg are many and complex a bit so you must make certain that you are doing the right thing.

ffmpeg avi to mp4

#3. Miro Video Converter (Mac and Windows)

This software offers a beautiful and simple way for converting AVI to MP4. It supports batch conversion thus you can work on as many files as possible at the same time. It is open source and available for free so you don’t need any budgeting for you to enjoy its services.

This software supports on Mac and Windows, profiles for Android devices and minimalist GUI.
On the downside, it lacks a preset editor. Miro Video Converter is suitable for use when encoding a video for Android devices that are supported.

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#4. MacX Video Converter Pro (Mac and Windows)

You can do as much with this converter including screen recording, video editing, online video downloading and support for most popular file formats. When you use it, video quality is never lost and the conversion speed is 83X faster. If you are using Android and Apple devices, you will enjoy over 350 preset profiles and that adds to your wonderful experience. Additional editing functions for the program are cropping, merging, triming and adding watermark and subtitle. That is the best way to personalize your file without any cost.

The standout feature for the program is its intuitive interface that makes it user-friendly for even beginners.
It takes a long time to load videos

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#5. Total Video Converter (Mac and Windows)

Two things make this program the best deal for converting AVI to MP4; its powerful nature and features. You can have your file converted not only to MP4 but several other formats that this software supports. One big advantage of using the program is that you can play converted files on mobile devices which are a huge achievement. Burning of converted files to VCD, SVCD and DVD is the top feature to enjoy when using this program. Other features are photos slide show, ripping DVD to all popular video, audio extraction from video and combining different files into one.

Total Video Converter converts almost any file type and easy to understand.
It lacks a few of the editing tools which are available on other software.

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#6. WinX UniConverter Deluxe (Mac and Windows)

If you are always concerned about how you convert files then this program is a must-have all the time. It will be the best choice for converting your AVI to MP4 freely and with no stress at all. Its standout feature is conversion of 1080p multi-track high definition videos and it covers a wide variety of formats. There are limitless features that will inform your decision to use WinX HD Video Convertor Deluxe. You will get to use over 400 preset profiles for both Android and Apple devices, convert HD SD videos at a go as well as merge, trim, edit and add subtitle with ease. You will enjoy every bit of your experience with this convertor that is available for free.

Supports almost all video formats and easy to use.
Software load time is too long.

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#7. Aimersoft UniConverter (Mac and Windows)

Very many editing functions will attract your attention to this software program at the expense of others. You will get to add subtitle, effects and watermark as a way of personalizing the converted video. Cropping, trimming and adjusting volume are the other editing functionalities that make the program well suited for your video editing. If there is any scene in the video that has impressed you most, you can save it separately by using the "snapshot taking" feature. The moment you are able to review all these software programs keenly, it will give you the best opportunity for choosing the one that will make video conversion easier than you anticipated.

The user-friendly interface will make sure that you get to finish your tasks with speed and in a professional way.
There is some limitations into batch conversion through this software.

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Brian Fisher

staff Editor

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