Audio ToolsFree

AIFF to MP3

Convert AIFF lossless audio files to MP3 format for dramatically smaller file sizes. AIFF (Audio Interchange File Format) is Apple's uncompressed PCM audio — files are 10–30x larger than equivalent MP3. Convert for sharing, portable players, and web use. No signup.

Updated June 2026

  1. 1Upload your AIFF audio
  2. 2Conversion runs instantly
  3. 3Download your MP3 file

Drop your audio anywhere, click to browse

MP3, AAC, WAV, FLAC, OGG, WMA, AIFF, M4A

Ctrl+Vto paste a copied file

How to use AIFF to MP3

  1. 1

    Upload your AIFF audio

    Drag and drop your AIFF file into the upload area, or click to browse and select it from your device. Nothing is sent to a server.

  2. 2

    Conversion runs instantly

    ToolBubble converts the audio to MP3 directly in your browser — no waiting in an upload queue.

  3. 3

    Download your MP3 file

    Once processing finishes, the converted MP3 file downloads automatically to your device.

Frequently asked questions

Everything you need to know about aiff to mp3.

AIFF stores uncompressed PCM audio — a 3-minute stereo song at 44.1 kHz/16-bit is about 30 MB as AIFF. At 320 kbps MP3, the same song is about 7 MB — roughly 4–8x smaller, with inaudible quality difference.

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