How to Convert MP3 to AIFF [Mac/PC/Online]

Author: Michelle
Publish date
Apr 2, 2024
Convert .mp3 to .aiff
  • 4 quick steps to convert .mp3 to .aiff on Windows:
  • 1. Download Download WonderFox HD Video Converter Factory Pro.
  • 2. Import MP3 into the software.
  • 3. Choose the target format.
  • 4. Export AIFF files.
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Convert MP3 to AIFF on Mac
Convert MP3 to AIFF on PC
Convert MP3 to AIFF Online
MP3 vs. AIFF

Converting MP3 to AIFF becomes more convenient with a dedicated audio converter. Here are three easy-to-use audio converters that can help: iTunes (Mac), WonderFox HD Video Converter Factory Pro (Windows), and Convertio (online).

Without further ado, let’s learn the detailed steps to convert MP3 files to AIFF using each program.

How to Convert MP3 to AIFF on Mac?

iTunes is a popular audio conversion solution for Mac users. This free software program comes preinstalled on every Mac computer and is easy to use. Its built-in AIFF encoder enables you to convert MP3 and some other audio files to AIFF easily. Follow these steps to check how to convert an MP3 to AIFF format using iTunes:

Step 1: Open Preferences in iTunes

Launch iTunes. Click the iTunes menu tab and select Preferences.

Open Preferences in iTunes
Open Preferences in iTunes

Step 2: Choose AIFF encoder

In the General Preferences window, click on Import Settings. Then choose AIFF Encoder from the “Import Using” drop-down options. Next, click OK to close all the windows.

Choose AIFF Encoder
Choose AIFF Encoder

Step 3: Import MP3 into iTunes

Click File and select Add File to Library to add MP3 to iTunes.

Step 4: Create an AIFF version of the MP3 file

Right-click on the MP3 file and select Create AIFF Version. Alternatively, you can select the MP3 file, go to the File menu, and select Convert > Create AIFF Version. The conversion will start at once and the created AIFF version will appear next to the original MP3 file.

Create AIFF Version of MP3
Create AIFF Version of MP3

How to Convert MP3 to AIFF on PC?

WonderFox HD Video Converter Factory Pro is a professional and reliable video and audio conversion software for Windows. It can handle various video and audio files with ease and provides fast conversion between any two formats. Furthermore, it can batch convert files simultaneously. Here’s how to convert multiple MP3 files to AIFF using this software:

Step 1: Download and install WonderFox HD Video Converter Factory Pro

Click the button below to download the software and install it on your PC.

Free download Download for Free
Free download Download for Free

Step 2: Add MP3 to the Converter

Run the software and open Converter. Click +Add Files at the top left corner and add your MP3 files to the conversion list.

Add MP3 to the Converter
Add MP3 to the Converter

Step 3: Select AIFF as the output format

Click the format image on the right to open the output format page. Click the Audio tab, and select AIFF as the output format.

Select AIFF Format
Select AIFF Format

Step 4: Start MP3-to-AIFF conversion

Click the ▼ icon at the bottom of the program to specify an output path. Press Run to start the MP3-to-AIFF conversion immediately.

Start MP3-to-AIFF Conversion
Start MP3-to-AIFF Conversion

How to Convert MP3 to AIFF Online?

Convertio is your best choice when you don't want to download or use any software program. This web-based service helps you convert MP3 to AIFF online in just a few clicks. Additionally, it allows you to upload multiple MP3 files as long as the total size does not exceed the 100MB limit. But remember, it only allows 2 concurrent conversions. Here are the steps to convert MP3 files to AIFF format using Convertio:

Step 1: Visit Convertio’s MP3 to AIFF Converter

Open your browser and go to

Step 2: Upload MP3 to the website

Click Choose Files and upload the MP3 files from your device.

Note: The maximum file size for upload is 100 MB (free version).

Upload MP3 to Convertio
Upload MP3 to Convertio

Step 3: Convert MP3 to AIFF

The output format is already selected, just click Convert and wait for the site to convert the files.

Convert MP3 to AIFF
Convert MP3 to AIFF

Step 4: Download the converted file

Once the conversion is complete, click Download to save the converted file to your device.

Tip: The converted files will be available online for 24 hours, if you want to delete them instantly, you can click My Files and delete them as you want.

Download the Converted File
Download the Converted File

MP3 vs. AIFF

1. What is MP3?

MP3 is the most popular lossy audio format and is widely used across platforms and devices. When MP3 is used to compress audio, some information, such as audio frequency that is not perceptible to the human ear, is removed to reduce the size. MP3 usually uses a bit rate of 32 to 320kbps, with higher bitrate representing better sound quality. Without special headphones, it is difficult for general people to distinguish between MP3 320kbps and lossless formats such as FLAC, WAV, and AIFF.

2. What is AIFF?

AIFF (Audio Interchange File Format) produces uncompressed, lossless PCM (Pulse Code Modulation) files. Although higher sound quality is retained, it also has a relatively larger file size. It can store mono, stereo or multi-channel sounds for audio tracks. AIFF files are very flexible in editing, copying, changing file formats and other post-production activities. AIFF is perfectly compatible with your Apple devices.

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1. How do I convert MP3 to AIFF?

On Mac: Use iTunes. Open iTunes, go to Preferences > Import Settings, choose AIFF Encoder, add the MP3 files to iTunes, then create an AIFF version of the MP3 file by right-clicking on it and selecting "Create AIFF Version."

On PC: Use WonderFox HD Video Converter Factory Pro. Download and install the software, add MP3 files to the converter, select AIFF as the output format, and start the conversion.

Online: Use Convertio. Visit the Convertio website, upload the MP3 files, select AIFF as the output format, convert the files, and download the converted AIFF files.

2. How do I create an AIFF file?

To create an AIFF file, you can follow the steps mentioned above for converting MP3 to AIFF using iTunes, WonderFox HD Video Converter Factory Pro, or Convertio.

3. Is AIFF better than MP3?

AIFF and MP3 are different audio formats suited for different purposes. AIFF is uncompressed, lossless, and retains higher sound quality but results in larger file sizes. MP3, on the other hand, is a lossy audio format that sacrifices some audio quality for smaller file sizes. If you care more about audio quality and have sufficient storage space, AIFF might be preferable. However, if file size and compatibility across platforms are more important, MP3 is a better choice.

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