AIFF to MP3 converter
Convert AIFF to MP3 in seconds, free and unlimited. No upload, no sign-up, no watermark: your audio never leaves your device.
Last updated
Quick answer: To convert AIFF to MP3, add the AIFF file to the iHateFiles AIFF to MP3 converter and press Convert. The conversion runs in your browser, so the file is never uploaded, and it is free with no sign-up, watermark or size limit. MP3 is the format that plays on everything, including hardware old enough to vote.
Should you convert AIFF to MP3?
A safe conversion: AIFF and MP3 are both lossless, so this is a change of container rather than a change to the picture.
Nothing is discarded
AIFF and MP3 are both lossless, so every pixel survives the move intact. Convert back and forth as often as you like; the image does not degrade.
AIFF and MP3 side by side
| AIFF | MP3 | |
|---|---|---|
| Compression | Lossless | Lossless |
| Transparency | No | No |
| Animation | No | No |
| Written here | Yes | Yes |
What usually goes wrong
About the AIFF. AIFF and WAV are the same audio at the same size; only the byte order and metadata differ. Converting between them changes nothing you can hear.
About the MP3. Converting an MP3 to another lossy format compounds the damage, because the second encoder is guessing at audio the first one already threw away.
How to convert AIFF to MP3
- Add your AIFF file. It is read from your disk and stays there.
- Check the settings. The output format is already set to MP3.
- Press convert and the MP3 file is saved back to your device.
Questions
How do I convert AIFF to MP3?
Open this page, add your AIFF file, and press convert. The file is decoded and re-encoded by your own browser and saved back to your device. Nothing is uploaded.
Is this AIFF to MP3 converter free?
Yes, completely. There is no account, no sign-in, no watermark and no daily limit, because there is no server doing the work. Your own device does it.
Are my files uploaded anywhere?
No. There is no upload endpoint. The conversion runs inside this browser tab, so your file never leaves your device. You can open your browser's network panel and watch: nothing carrying your file is sent.
Is there a file size limit?
No fixed limit. Because the work happens on your machine there is no server quota. The only ceiling is your own device's memory, which for video means very large files may be slow.
Will converting to MP3 lose quality?
MP3 is a lossy format, so some detail is discarded. The quality control on this page decides how much. The default is set high enough that most people cannot see the difference.
Can I convert several AIFF files at once?
Yes. Add as many as you like and they are converted one after another, then offered as a single ZIP.