MP3 to AIFF Converter
Convert MP3 files to AIFF in seconds, right in your browser. Drop in one file or a whole folder, pick your quality settings and download - nothing is uploaded to a server.
Drop MP3 files here
MP3, WAV, FLAC, M4A, OGG, OPUS, AAC, AIFF, WMA, AMR, MP4, MOV & more · Processed on your device - nothing is uploaded
How to convert MP3 to AIFF
- Click "Choose files" or drag your MP3 files onto the page.
- Make sure "AIFF" is selected as the output format.
- Optionally click Edit to trim, adjust volume or add effects.
- Click Convert, then Download your AIFF files.
Why convert MP3 to AIFF?
AIFF is uncompressed, so further editing and re-saving won't reduce quality any more. (It can't restore detail that MP3 compression already removed.)
AIFF is best for Logic Pro, GarageBand, Final Cut and professional Mac workflows. macOS, iOS, Logic, Pro Tools and most professional audio software.
Will I lose quality?
Converting MP3 to AIFF keeps all the quality that is in your MP3 file - nothing more is lost. However, it cannot recover detail removed when the MP3 was originally created, and the AIFF file will be larger.
MP3 vs AIFF
| MP3 | AIFF | |
|---|---|---|
| Full name | MPEG-1 Audio Layer III | Audio Interchange File Format |
| Type | lossy | uncompressed |
| Best for | music libraries, sharing, podcasts and playback on any device | Logic Pro, GarageBand, Final Cut and professional Mac workflows |
| Typical size | ~1.4 MB at 192 kbps per minute | ~10 MB at 16-bit / 44.1 kHz per minute |
| Compatibility | Plays on virtually every phone, computer, car stereo, browser and media player. | macOS, iOS, Logic, Pro Tools and most professional audio software. |
| Developed by | Fraunhofer IIS / MPEG (1993) | Apple (1988) |
MP3 to AIFF: questions
How do I convert MP3 to AIFF?
Open this page, add your MP3 file, make sure AIFF is selected as the output format and click Convert. Your AIFF file is ready to download in seconds.
Will converting MP3 to AIFF lose quality?
Converting MP3 to AIFF keeps all the quality that is in your MP3 file - nothing more is lost. However, it cannot recover detail removed when the MP3 was originally created, and the AIFF file will be larger.
Is this MP3 to AIFF converter free and safe?
Yes. It's free with no watermark or sign-up. Files are processed locally in your browser, so your audio is never uploaded or stored on our servers.
Can I convert many MP3 files to AIFF at once?
Yes - add up to 5 files at a time on the free plan (unlimited with Pro), convert them all with one click and download them as a ZIP.
What is the difference between MP3 and AIFF?
MP3 (MPEG-1 Audio Layer III) is a compressed (lossy) format, the most widely supported compressed audio format. MP3 removes sounds the ear is unlikely to notice to make files about 10x smaller than CD audio. AIFF (Audio Interchange File Format) is a uncompressed format: apple's uncompressed audio format - the Mac equivalent of WAV with full metadata support.
Does it work on Mac, Windows, iPhone and Android?
Yes. The MP3 to AIFF converter runs in any modern browser - Chrome, Safari, Edge or Firefox - on desktop and mobile. No software to install.