Convert Opus to AIFF Online Free
Convert Opus audio to uncompressed AIFF format for Logic Pro, GarageBand, and professional macOS audio workflows. FFmpeg decodes your Opus and outputs high-quality uncompressed AIFF for Apple DAW environments.
By ChangeThisFile Team · Last updated: March 2026
ChangeThisFile converts your Opus to AIFF using FFmpeg on secure servers. AIFF is Apple's uncompressed audio format, native to Logic Pro and macOS. Opus is not supported in Apple's Music app or Logic Pro, so converting to AIFF enables integration into professional Apple audio workflows. The AIFF reflects the quality of the original Opus encoding. Files are auto-deleted, free with no signup.
Convert Opus to AIFF
Drop your Opus file here to convert it instantly
Drag & drop your .opus file here, or click to browse
Convert to AIFF instantly
Opus vs AIFF: Format Comparison
Key differences between the two formats
| Feature | Opus | AIFF |
|---|---|---|
| Compression | Lossy (very efficient) | Uncompressed PCM |
| File Size (3 min) | ~1–4 MB | ~30–60 MB |
| Logic Pro Support | Not supported | Native (preferred format) |
| macOS Finder Preview | Limited | Native QuickLook preview |
| Quality | Lossy (excellent) | Uncompressed (reflects source) |
| Platform Origin | IETF / web / open | Apple / macOS |
| Loop Metadata | No | Yes (MARK/INST chunks) |
| CD Burning macOS | Not supported | Native support |
When to Convert
Common scenarios where this conversion is useful
Logic Pro import from Opus sources
Logic Pro does not support Opus. Convert Opus recordings, podcast files, or web audio downloads to AIFF for direct import and editing in Logic Pro without format compatibility issues.
GarageBand audio project use
GarageBand natively handles AIFF files. Convert Opus audio content from Discord downloads, web games, or online sources to AIFF for use in GarageBand projects.
macOS professional audio integration
Opus is not natively recognized by macOS audio tools. Convert Opus files to AIFF for use in Pro Tools, Logic Pro, or Nuendo sessions on macOS where uncompressed audio is required.
Mastering and editing Opus-sourced content
Working in AIFF enables uncompressed editing without re-encoding artifacts during the editing session. Convert Opus source material to AIFF before mastering or editing in macOS DAWs.
Who Uses This Conversion
Tailored guidance for different workflows
Musicians & Producers
- Convert Opus recordings to AIFF for distributing tracks to streaming platforms or collaborators
- Transform Opus stems to AIFF for sharing with other producers or mixing engineers
Podcasters
- Convert Opus episode recordings to AIFF for publishing on Apple Podcasts, Spotify, or RSS feeds
- Transform Opus interview recordings to AIFF for editing in Audacity or Adobe Audition
Content Creators
- Convert Opus audio from video shoots to AIFF for use as background music or voiceovers
- Extract and convert Opus audio to AIFF for repurposing content across multiple platforms
How to Convert Opus to AIFF
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1
Upload your Opus file
Click the upload area or drag and drop your .opus file. Files up to 25MB (free tier; 500MB on Pro) are supported. The upload is secured with HTTPS encryption.
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2
Convert to AIFF
Click Convert. FFmpeg decodes the Opus audio to raw PCM and writes it as uncompressed AIFF. The AIFF stores the decoded PCM representation of the Opus audio.
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3
Download your AIFF file
Download the AIFF file when ready. It will be dramatically larger than the Opus source. The file is auto-deleted from our servers after download.
Frequently Asked Questions
No. Opus is lossy, so any compression artifacts present in the Opus file carry over to the AIFF output. The AIFF is uncompressed, but audio quality is bounded by the original Opus encoding.
Opus uses very efficient lossy compression to achieve small file sizes. AIFF stores raw uncompressed PCM audio. A 2 MB Opus file can expand to 40-50 MB as AIFF — this is expected and normal.
Yes. Logic Pro natively supports AIFF. Drag the converted AIFF directly into your Logic Pro project or import it via File > Import Audio File. No additional plugins are needed.
FFmpeg resamples from Opus's native 48000 Hz to the target AIFF sample rate. The output will be 48000 Hz or resampled to 44100 Hz for CD-quality compatibility, depending on FFmpeg settings.
No. AIFF is widely supported by Pro Tools, GarageBand, Nuendo, Ableton Live, and most professional DAWs on macOS. AIFF is an industry-standard format in Apple and macOS audio workflows.
Yes. macOS Finder QuickLook natively previews AIFF files. Press Space on an AIFF file in Finder to preview the waveform and play it back directly without opening an application.
Yes. macOS Disc Utility and Toast Titanium accept AIFF as source audio for CD burning. AIFF is Apple's preferred CD audio source format on macOS.
Yes. Files are uploaded over HTTPS, processed by FFmpeg on our server, and automatically deleted after download. We do not retain or analyze your audio content.
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