OPUS to AIFF Converter
Convert OPUS files to AIFF in seconds, right in your browser. Drop in one file or a whole folder, pick your quality settings and download - nothing is uploaded to a server.
Drop OPUS files here
MP3, WAV, FLAC, M4A, OGG, OPUS, AAC, AIFF, WMA, AMR, MP4, MOV & more · Processed on your device - nothing is uploaded
How to convert OPUS to AIFF
- Click "Choose files" or drag your OPUS files onto the page.
- Make sure "AIFF" is selected as the output format.
- Optionally click Edit to trim, adjust volume or add effects.
- Click Convert, then Download your AIFF files.
Why convert OPUS to AIFF?
AIFF is uncompressed, so further editing and re-saving won't reduce quality any more. (It can't restore detail that OPUS compression already removed.)
AIFF is best for Logic Pro, GarageBand, Final Cut and professional Mac workflows. macOS, iOS, Logic, Pro Tools and most professional audio software.
Will I lose quality?
Converting OPUS to AIFF keeps all the quality that is in your OPUS file - nothing more is lost. However, it cannot recover detail removed when the OPUS was originally created, and the AIFF file will be larger.
OPUS vs AIFF
| OPUS | AIFF | |
|---|---|---|
| Full name | Opus Interactive Audio Codec | Audio Interchange File Format |
| Type | lossy | uncompressed |
| Best for | voice notes, WhatsApp/Discord audio, podcasts and streaming at small sizes | Logic Pro, GarageBand, Final Cut and professional Mac workflows |
| Typical size | ~0.9 MB at 128 kbps per minute | ~10 MB at 16-bit / 44.1 kHz per minute |
| Compatibility | All modern browsers, Android, iOS 17+, WhatsApp, Discord, Telegram and VLC. | macOS, iOS, Logic, Pro Tools and most professional audio software. |
| Developed by | IETF / Xiph.Org (2012) | Apple (1988) |
OPUS to AIFF: questions
How do I convert OPUS to AIFF?
Open this page, add your OPUS file, make sure AIFF is selected as the output format and click Convert. Your AIFF file is ready to download in seconds.
Will converting OPUS to AIFF lose quality?
Converting OPUS to AIFF keeps all the quality that is in your OPUS file - nothing more is lost. However, it cannot recover detail removed when the OPUS was originally created, and the AIFF file will be larger.
Is this OPUS to AIFF converter free and safe?
Yes. It's free with no watermark or sign-up. Files are processed locally in your browser, so your audio is never uploaded or stored on our servers.
Can I convert many OPUS files to AIFF at once?
Yes - add up to 5 files at a time on the free plan (unlimited with Pro), convert them all with one click and download them as a ZIP.
What is the difference between OPUS and AIFF?
OPUS (Opus Interactive Audio Codec) is a compressed (lossy) format, the most efficient modern lossy codec. Opus delivers excellent quality at very low bitrates for both speech and music. AIFF (Audio Interchange File Format) is a uncompressed format: apple's uncompressed audio format - the Mac equivalent of WAV with full metadata support.
Does it work on Mac, Windows, iPhone and Android?
Yes. The OPUS to AIFF converter runs in any modern browser - Chrome, Safari, Edge or Firefox - on desktop and mobile. No software to install.