How to convert MP3 to AIFF
To convert MP3 to AIFF, upload your MP3 file, choose AIFF as the output format and press Convert. The finished AIFF file is ready to save to your phone or computer in seconds, free, with no watermark and no sign-up. Your file is deleted from our server about 30 minutes after the conversion.
This free online converter turns MP3 audio files into AIFF in your browser, with no software to install and no watermark. The conversion runs on our server using ffmpeg, and the result is ready to save to your phone or computer in seconds. Your MP3 file is deleted automatically about 30 minutes after the conversion.
What you get with MP3 to AIFF
- No quality loss
- Native to Mac audio software
- Supports metadata and markers
- Opens in: macOS, iTunes, Logic Pro, Pro Tools, Audacity and VLC
What to expect from this conversion
- MP3 is lossy and AIFF is not, so the file gets much larger but cannot regain detail that MP3 compression already removed.
- AIFF files are uncompressed and very large, about 10 MB per minute of stereo audio.
- Tags such as title and artist are carried over where AIFF supports them.
MP3 vs AIFF
| Property | MP3 | AIFF |
|---|---|---|
| Full name | MPEG-1 Audio Layer III | Audio Interchange File Format |
| Released | 1993, Fraunhofer and MPEG | 1988, Apple |
| Family | Audio | Audio |
| Compression | Lossy | None (uncompressed) |
| Opens in | every phone, computer, car stereo, smart speaker and web browser | macOS, iTunes, Logic Pro, Pro Tools, Audacity and VLC |
| Best for | music libraries and downloads; podcasts | Logic Pro and GarageBand projects; mastering and archiving on Mac |
Steps to convert MP3 to AIFF
- Drop your MP3 file onto the converter, or click to choose it.
- Check that AIFF is selected as the target format and adjust the options if you want.
- Press Convert, then save the new AIFF file to your device when it finishes.
Tips for the best result
- Choose High for music you care about and Small for voice recordings.
- Convert from the original lossless file when you have one.
Frequently asked questions
How do I convert MP3 to AIFF?
Drop your MP3 file on the converter, confirm that AIFF is the target format and press Convert. When it finishes, press Save to device or download the AIFF file. No account or software is needed.
Is the MP3 to AIFF converter free?
Yes. It is free, with no watermark, no sign-up and no limit on how many files you convert. The site is supported by ads.
What should I know before converting MP3 to AIFF?
MP3 is lossy and AIFF is not, so the file gets much larger but cannot regain detail that MP3 compression already removed. AIFF files are uncompressed and very large, about 10 MB per minute of stereo audio.
Will the sound quality change when converting MP3 to AIFF?
MP3 is lossy and AIFF is not, so the file gets much larger but cannot regain detail that MP3 compression already removed.
Which programs open AIFF files?
AIFF files open in macOS, iTunes, Logic Pro, Pro Tools, Audacity and VLC.
How large a file can I convert?
Up to 200 MB per file. Files are deleted from the server about 30 minutes after conversion, and no one looks at them.