AIFF OPUS
Drop your AIFF file here or click to browse — you can also paste from the clipboard

Converting your AIFF to OPUS…

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Shrink your AIFF by converting to OPUS

Converting AIFF to OPUS trades a little detail for a much smaller file, making Opus audio the practical choice for fast web pages, email and sharing.

How to convert AIFF to OPUS

  1. 1 Drop your AIFF file into the converter above.
  2. 2 It is converted to OPUS automatically — no settings to fiddle with.
  3. 3 Download your new OPUS file instantly.

AIFF vs OPUS

Feature AIFF OPUS
Compression Lossless Lossy
MIME type audio/aiff audio/opus
Best for Recording and editing on Mac — converted to MP3 or M4A to share. Voice chat, podcasts and streaming where bandwidth efficiency is critical.

About the formats

AIFF

AIFF audio

AIFF is Apple’s uncompressed, lossless audio format — the Mac counterpart to WAV. It stores studio-grade sound with no quality loss, in large files.

Strengths

  • Lossless, studio quality
  • Native to macOS
  • Ideal for editing

Limitations

  • Very large files
  • Impractical for streaming
  • Overkill for casual listening

Best for: Recording and editing on Mac — converted to MP3 or M4A to share.

OPUS

Opus audio

Opus is a state-of-the-art codec that delivers superb quality at very low bitrates. It powers most modern voice and streaming apps but is less common for stored files.

Strengths

  • Best-in-class quality at low bitrates
  • Excellent for voice and streaming
  • Open and royalty-free

Limitations

  • Limited support in older players
  • Uncommon for downloads
  • Few hardware decoders

Best for: Voice chat, podcasts and streaming where bandwidth efficiency is critical.

Frequently asked questions

Upload your AIFF file above and it is converted to OPUS automatically. When it is ready, download your new Opus audio — the whole thing takes just a few seconds in your browser.

Converting AIFF to OPUS trades a little detail for a much smaller file, making Opus audio the practical choice for fast web pages, email and sharing.

Because OPUS uses lossy compression, very fine detail may be reduced to save space. For everyday use the difference is hard to spot, and you get a much smaller file in return.

Yes. The converter is free to use, with no watermark and no sign-up required.

Your files are processed securely and are never shared with anyone.

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