Best 5 MP4 to AIFF Converters for Mac, Windows, and Online (2025 Guide)

Part 1: What's the Difference Between MP4 and AIFF?

The key points of understanding the difference between these formats will help you to realize when and why you should decide to convert one to another.

MP4 is a multimedia container format which may include video, audio, subtitles and other data but is more often used as video format mostly due to its compatibility with various video playback programs. It was developed based upon MPEG-4 Part 14. Although mainly a video format, the MP4 file can be fitted with high-quality audio codecs typically in any of the formats such as AAC or MP3. This format is common in all platforms and devices, which makes it the favorite format to use in distributing videos.

The uncompressed audio format is the Apple own next-generation WAV audio interface, named AIFF (Audio Interchange File Format). Uncompressed AIFF files are the best choice in audio work and music production, and even in any context where audio purity in fidelity is of utmost importance, since they have no compression artifacts.

The most common rationale behind acquiring or transcoding MP4 audio to AIFF is achieving an uncompressed and high-fidelity similar to having an audio resource that can be utilized professionally or in the process of audio editing or when one has adopted the ecosystem of Apple where AIFF is perfectly fit in the ecosystem.

Part 2: 3 Easy Ways to Convert MP4 to AIFF on Mac/Windows/Online

Here are three proven methods to convert your MP4 files to AIFF format, each suited for different needs and technical comfort levels.

Method 1: HitPaw Univd - Fastest & Easiest MP4 to AIFF Converter

HitPaw Univd is the ultimate tool that encodes MP3 to AIFF in the most exceptional quality preservation. It is a professional converter whose special emphasis lies on providing professional quality in extracting audio content minutes of video records with a certain simplicity in its interface which will be easily mastered both by a novice and a full-fledged professional.

The application is also easy to use and effective, the interface is clear and does not create misunderstandings and accepts various formats of video, not only MP4. Its capability to convert in batches enables you to work on many files in one go which would save you some precious time when you have many files to work with.

Key Features of HitPaw Univd

• Universal Format Support: Supports Conversion of 1000-plus video and audio formats such as MP4, AVI, MOV, AIFF, FLAC, and others
• Batch Processing: process several MP4 files to AIFF at the same time, which is ideal with large media libraries
• Lossless Quality: Sophisticated algorithms keep the original music quality intact when the music is converted
• GPU Acceleration: It uses hardware acceleration with conversion speed at 120x
• Easy to Use: An easy-to-use interface that does not need technical understanding
• Previewing facility: The facility to see and hear files prior the conversion process in order to be accurate
• Adoption Settings: Different audio settings like bitrate, sample rate, etc are customizable as per need.

How to Convert MP4 to AIFF Using HitPaw Univd

• Step 1.Complete HitPaw Univd download and installation onto a PC or Mac computer.

  
  

• Step 2.Open HitPaw Univd and enter the module of audio converter. To convert MP4 to AIFF audio files, get the files transferred to the PC and start the conversion by importing MP4 files into the desktop.

  

• Step 3.Select the option of convert to, i.e. in the menu "Convert all" and select the AIFF format from the Audio tab.

  

• Step 4.Transcode MP4 to.AIFF. Press Convert all to get a high quality batch convert MP4 to AIFF on your device.

  

Method 2: Convert MP4 to AIFF Using iTunes (Apple Music App)

For Mac users, iTunes (now Apple Music app in newer macOS versions) offers a built-in solution for converting MP4 to AIFF. This method is particularly convenient for those already using Apple's ecosystem and want to avoid installing additional software.

Step-by-step instructions:

• Step 1.Open your Mac and Media applications and launch iTunes/Apple Music App.

• Step 2.Choose Edit (Select Music in case you are using Mac ) > Preferences.

  

• Step 3.Go to the General (Go to Files section on Mac) > select the Import Settings.

  

• Step 4.Go to import settings > aiff encoder > click ok.

  

• Step 5.Select MP4 song you desire to convert > Select File > Convert > Create AIFF Version.

  

Limitations: Only MP4 files with audio tracks that iTunes can recognize can be used in this method. It does not seem to handle every format of MP4, and it can be a bit slow, too, when compared to conversion software. Formats conversion is only supported in purchases made only in iTunes Store but in iTunes Plus songs.

To say it another way, the assumption is that the initial file has no DRM protection and therefore is able to be converted by iTunes/Apple Music App between formats.

Method 3: Convert MP4 to AIFF Online (Free Web Tools)

Online converters can be convenient because they do not involve software installation but have some limitations connected with file size and the converting speed.

1. Convertio

Convertio is a multi-purpose online converter with more than 300 formats. It has a clean interface that is drag and drop enabled and allows files of up to 100MB to the free user. The service has fair conversion quality and needs an internet connection and an upper limitation in upload time of larger files.

2. VideoCandy

VideoCandy is focused on the conversion of videos and audio where file size is not an issue for their registered users. It has an uncomplicated interface and keeps the audio at a good level when being converted. The site provides other editing features and can be more time-consuming on busy days.

3. FreeConvert

Freeconvert may be a trusted option in converting MP4 to AIFF including batch conversion (premium feature). It provides high format support and quality parameters, but non-paid customers are restricted to 1GB of conversion per month.

Part 3: Why HitPaw Univd Is the Best Choice for MP4 to AIFF Conversion

Although online tools and iTunes have some bearing on the process, HitPaw Univd is the best option due to several facts:

• No File Conversion Limits - Unlike most internet-based converters, HitPaw Univd has no file size limits and does not place limits on how large a file can be uploaded.
• Lightning-Fast Processing Speed, No Internet Needed - Fast, local conversion runs at lightning speed on your device; no internet connection needed.
• Complete Privacy - Your files remain on your PC and have no internet privacy threat that every online tool has.
• High Audio Quality - Professional quality audio is guaranteed by the use of higher algorithms that guarantee lossless audio conversion.
• Accessible Interface - It is user-friendly on any level of skills, with a simple structure and interface.
• Batch Mode and Format Compatibility - Convert files in batch and support dozens of audio formats.

Being both an ordinary user and professional audio user, the HitPaw Univd will bring you the supreme speed, quality, and reliability.

FAQs About MP4 to AIFF

Conclusion

Converting MP4 to AIFF opens up thrilling opportunities to audio hobbyists, content producers, and those users with a need for high-quality or lossless audio files. Of course, the conversion process will be more open to those who require the music in videos, or people who want to master the world of editing audio to a professional level, or simply have an option of listening to lossless music and in a format that Apple has widely adopted the use of the site.

Even though this conversion may be accomplished through other means, HitPaw Univd is the fastest, safe and comfortable program in both their Mac and Windows operating system.