Convert MP3 to AIFF
Free, fast and secure — convert MP3 to AIFF right in your browser.
MP3
AIFF
Move your MP3 into a lossless AIFF
Converting MP3 to AIFF lifts your file into a format that keeps every detail intact — ready for editing, archiving or high-quality output.
How to convert MP3 to AIFF
- 1 Drop your MP3 file into the converter above.
- 2 It is converted to AIFF automatically — no settings to fiddle with.
- 3 Download your new AIFF file instantly.
MP3 vs AIFF
| Feature | MP3 | AIFF |
|---|---|---|
| Compression | Lossy | Lossless |
| MIME type | audio/mpeg | audio/aiff |
| Best for | Music, podcasts and voice that need to play everywhere at a small size. | Recording and editing on Mac — converted to MP3 or M4A to share. |
About the formats
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.
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.
Frequently asked questions
Upload your MP3 file above and it is converted to AIFF automatically. When it is ready, download your new AIFF audio — the whole thing takes just a few seconds in your browser.
Converting MP3 to AIFF lifts your file into a format that keeps every detail intact — ready for editing, archiving or high-quality output.
AIFF is a lossless format, so your converted file keeps its full quality with no degradation.
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.