AIFF to MP3 Converter
Convert large uncompressed AIFF audio into compact, portable MP3 in your browser.
AIFF is Apple's uncompressed audio format — pristine but very large, which makes it impractical for sharing or carrying on a phone. MP3 shrinks it to a fraction of the size while staying universally compatible.
Conversion runs locally; your audio never leaves your device.
How to convert AIFF to MP3
- 1Drop your AIFF file into the area above — or click to browse.
- 2The output format is already set to MP3. Adjust the quality settings if the format supports them.
- 3Click convert, then download your MP3 file. Everything runs locally — nothing is uploaded.
Frequently asked questions
A lot. AIFF stores audio uncompressed, so a track can be ten times larger than the equivalent MP3 at a high bitrate — with little audible difference for everyday listening.
Yes. AIF is simply the shortened file extension for the same Audio Interchange File Format, and both convert to MP3 the same way.
No. All processing happens entirely in your browser. Your data never leaves your device — nothing is uploaded to any server.
Yes. Once the page has loaded, the tool works completely offline. For the best experience, install PrivaDeck as a PWA from your browser.
Other conversions
Need a different format?
Open the full audio converter to pick from MP3, WAV, OGG, AAC, FLAC, M4A and Opus, convert in batches, and adjust bitrate, sample rate and channels.
Open the full Audio Converter