Convert AIFF to MP3
Free, fast and secure — convert AIFF to MP3 right in your browser.
AIFF
MP3
Shrink your AIFF by converting to MP3
Converting AIFF to MP3 trades a little detail for a much smaller file, making MP3 audio the practical choice for fast web pages, email and sharing.
How to convert AIFF to MP3
- 1 Drop your AIFF file into the converter above.
- 2 It is converted to MP3 automatically — no settings to fiddle with.
- 3 Download your new MP3 file instantly.
AIFF vs MP3
| Feature | AIFF | MP3 |
|---|---|---|
| Compression | Lossless | Lossy |
| MIME type | audio/aiff | audio/mpeg |
| Best for | Recording and editing on Mac — converted to MP3 or M4A to share. | Music, podcasts and voice that need to play everywhere at a small size. |
About the formats
AIFF
AIFF audio
AIFF is Apple’s uncompressed, lossless audio format — the Mac counterpart to WAV. It stores studio-grade sound with no quality loss, in large files.
Strengths
- Lossless, studio quality
- Native to macOS
- Ideal for editing
Limitations
- Very large files
- Impractical for streaming
- Overkill for casual listening
Best for: Recording and editing on Mac — converted to MP3 or M4A to share.
MP3
MP3 audio
MP3 is the world’s most compatible audio format. Its lossy compression makes small files that play on every device and app, which is why it is still the default for music and podcasts.
Strengths
- Plays on virtually everything
- Small, convenient files
- Adjustable bitrate
Limitations
- Lossy — discards some audio detail
- Not ideal for archiving
- No lossless option
Best for: Music, podcasts and voice that need to play everywhere at a small size.
Frequently asked questions
Upload your AIFF file above and it is converted to MP3 automatically. When it is ready, download your new MP3 audio — the whole thing takes just a few seconds in your browser.
Converting AIFF to MP3 trades a little detail for a much smaller file, making MP3 audio the practical choice for fast web pages, email and sharing.
Because MP3 uses lossy compression, very fine detail may be reduced to save space. For everyday use the difference is hard to spot, and you get a much smaller file in return.
Yes. The converter is free to use, with no watermark and no sign-up required.
Your files are processed securely and are never shared with anyone.