How to convert AIFF to OPUS
To convert AIFF to OPUS, upload your AIFF file, choose OPUS as the output format and press Convert. The finished OPUS file is ready to save to your phone or computer in seconds, free, with no watermark and no sign-up. Your file is deleted from our server about 30 minutes after the conversion.
This free online converter turns AIFF audio files into OPUS in your browser, with no software to install and no watermark. The conversion runs on our server using ffmpeg, and the result is ready to save to your phone or computer in seconds. Your AIFF file is deleted automatically about 30 minutes after the conversion.
Why convert AIFF to OPUS?
- Excellent quality even at very low bitrates
- Handles both speech and music
- Used by WhatsApp, Discord and YouTube
- Opens in: Chrome, Firefox, Android, Discord, VLC; partial on Safari and iOS
What to expect from this conversion
- AIFF is lossless and OPUS is lossy, so the file gets much smaller. The quality setting balances size and sound.
- Tags such as title and artist are carried over where OPUS supports them.
AIFF vs OPUS
| Property | AIFF | OPUS |
|---|---|---|
| Full name | Audio Interchange File Format | Opus Interactive Audio Codec |
| Released | 1988, Apple | 2012, IETF (Xiph.Org, Mozilla, Skype) |
| Family | Audio | Audio |
| Compression | None (uncompressed) | Lossy |
| Opens in | macOS, iTunes, Logic Pro, Pro Tools, Audacity and VLC | Chrome, Firefox, Android, Discord, VLC; partial on Safari and iOS |
| Best for | Logic Pro and GarageBand projects; mastering and archiving on Mac | voice messages and calls; streaming at low data rates |
Steps to convert AIFF to OPUS
- Drop your AIFF file onto the converter, or click to choose it.
- Check that OPUS is selected as the target format and adjust the options if you want.
- Press Convert, then save the new OPUS file to your device when it finishes.
Tips for the best result
- Choose High for music you care about and Small for voice recordings.
- Convert from the original lossless file when you have one.
Frequently asked questions
How do I convert AIFF to OPUS?
Drop your AIFF file on the converter, confirm that OPUS is the target format and press Convert. When it finishes, press Save to device or download the OPUS file. No account or software is needed.
Is the AIFF to OPUS converter free?
Yes. It is free, with no watermark, no sign-up and no limit on how many files you convert. The site is supported by ads.
What should I know before converting AIFF to OPUS?
AIFF is lossless and OPUS is lossy, so the file gets much smaller. The quality setting balances size and sound. Tags such as title and artist are carried over where OPUS supports them.
Will the sound quality change when converting AIFF to OPUS?
AIFF is lossless and OPUS is lossy, so the file gets much smaller. The quality setting balances size and sound.
Which programs open OPUS files?
OPUS files open in Chrome, Firefox, Android, Discord, VLC; partial on Safari and iOS.
How large a file can I convert?
Up to 200 MB per file. Files are deleted from the server about 30 minutes after conversion, and no one looks at them.