Convert MP3 to AIFF
Free and instant — your MP3 files are processed securely on our servers and deleted right after conversion. Nothing is stored.
How to convert MP3 to AIFF
- Step 01
Add your MP3 files
Drop them into the box above or click to browse. You can add several files at once.
- Step 02
Conversion starts instantly
Your file is sent to our servers, converted and deleted right away — no sign-up, no queue, no waiting.
- Step 03
Download your AIFF files
Save each file individually or grab them all at once. Done.
Why convert MP3 to AIFF?
Need your MP3 in AIFF? Converting wraps the existing audio into AIFF — it won't restore detail MP3's compression already discarded, but the file will work anywhere AIFF is expected.
MP3 vs AIFF at a glance
MP3 is the universal audio format — plays on every device and app since the late 90s, smaller than WAV with near-identical quality. AIFF is Apple's uncompressed audio format — the Mac equivalent of WAV, lossless and studio-standard but with much less support outside professional audio software.
| Property | MP3 | AIFF |
|---|---|---|
| Extension | .mp3 | .aiff, .aif |
| Full name | MPEG-1 Audio Layer III | Audio Interchange File Format |
| First released | 1993 | 1988 |
| Developed by | Fraunhofer IIS | Apple |
| Compression | Lossy | Lossless |
| Transparency | No | No |
| Animation | No | No |
| Best for | music and podcast playback on any device | professional audio production and archiving on macOS |
MP3 to AIFF — frequently asked questions
Is this MP3 to AIFF converter really free?
Yes — completely free, with no sign-up, no watermarks and no daily limits.
Will converting MP3 to AIFF lose quality?
No. AIFF is a lossless format, so the converted file keeps every pixel exactly as decoded from your MP3.
Is the conversion private?
Audio conversion runs on our servers with ffmpeg — your file is deleted immediately and never stored.
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Need the reverse? Convert AIFF to MP3Explore the AIFF converter