AIFF to MP3 Converter
Convert AIFF files to MP3 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 AIFF 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 AIFF to MP3
- Click "Choose files" or drag your AIFF files onto the page.
- Make sure "MP3" is selected as the output format (192 kbps is a good default).
- Optionally click Edit to trim, adjust volume or add effects.
- Click Convert, then Download your MP3 files.
Why convert AIFF to MP3?
MP3 files are typically 5-10x smaller than AIFF, making them ideal for phones, sharing and streaming.
MP3 is best for music libraries, sharing, podcasts and playback on any device. Plays on virtually every phone, computer, car stereo, browser and media player.
Will I lose quality?
MP3 is a lossy format, so some inaudible detail is removed to save space. At 192 kbps or higher most listeners cannot tell the difference from the original AIFF.
AIFF vs MP3
| AIFF | MP3 | |
|---|---|---|
| Full name | Audio Interchange File Format | MPEG-1 Audio Layer III |
| Type | uncompressed | lossy |
| Best for | Logic Pro, GarageBand, Final Cut and professional Mac workflows | music libraries, sharing, podcasts and playback on any device |
| Typical size | ~10 MB at 16-bit / 44.1 kHz per minute | ~1.4 MB at 192 kbps per minute |
| Compatibility | macOS, iOS, Logic, Pro Tools and most professional audio software. | Plays on virtually every phone, computer, car stereo, browser and media player. |
| Developed by | Apple (1988) | Fraunhofer IIS / MPEG (1993) |
AIFF to MP3: questions
How do I convert AIFF to MP3?
Open this page, add your AIFF file, make sure MP3 is selected as the output format and click Convert. Your MP3 file is ready to download in seconds.
Will converting AIFF to MP3 lose quality?
MP3 is a lossy format, so some inaudible detail is removed to save space. At 192 kbps or higher most listeners cannot tell the difference from the original AIFF.
Is this AIFF to MP3 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 AIFF files to MP3 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 AIFF and MP3?
AIFF (Audio Interchange File Format) is a uncompressed format, apple's uncompressed audio format - the Mac equivalent of WAV with full metadata support. 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.
Does it work on Mac, Windows, iPhone and Android?
Yes. The AIFF to MP3 converter runs in any modern browser - Chrome, Safari, Edge or Firefox - on desktop and mobile. No software to install.