Drop in a AIFF file and get a MP3 back in seconds. Free, no account, and nothing is kept on our server.
Convert audio files between MP3, WAV, FLAC, AAC, OGG, Opus, and more. Extract audio from video. Powered by FFmpeg — free, no installation.
Drag and drop an audio file here
or
Supported formats: MP3, WAV, FLAC, AAC, OGG, OPUS, WMA, M4A, AIFF, AC3, AIFF, AMR
Also: MP4, MKV, AVI, MOV (extracts the audio track) · Max 512 MB
Uncompressed Mac recordings are unwieldy to share; MP3 makes them portable.
AIFF is the Mac counterpart to WAV: Apple built it in 1988 on the Electronic Arts IFF container, and like WAV it stores uncompressed PCM. Same fidelity, same appetite for disk space, better metadata handling.
MP3, formally MPEG-1 Audio Layer III, was standardised in 1993 after years of work at Fraunhofer IIS. It discards sound the ear is unlikely to notice, which is how a three-minute track fits into a few megabytes instead of thirty. Nothing else comes close to its reach: every phone, browser, car stereo and cheap player made in the last two decades reads it. That universality, not sound quality, is why it is still the safe default today.
| AIFF | MP3 | |
|---|---|---|
| Released | 1988 | 1993 |
| Developed by | Apple | Fraunhofer IIS / MPEG |
| Compression | uncompressed | lossy |
| Typical bitrate | 1411 kbit/s (CD) | 128-320 kbit/s |
| Three-minute track | about 30 MB | 3-7 MB |
| Quality ceiling | Exactly the source | Good, not transparent |
| Best suited to | Mac editing workflows | Sharing, phones, car stereos |
| Playback support | Good on macOS, mixed elsewhere | Universal |
Yes, and the loss is permanent. MP3 compression works by discarding detail, and converting back to AIFF later will not bring it back. Keep your original if you may need to edit or re-encode.
A normal song finishes in a few seconds. Conversion runs on our server rather than in your browser, so the slow part is usually the upload, not the work itself. Long recordings such as lectures or podcasts take proportionally longer.
Your file is uploaded to our server because the conversion runs there. A cleanup task runs every hour and deletes anything older than an hour, so nothing you upload survives more than about two hours. We do not open your files, we do not keep copies, and no account is needed to use the converter.