AIFF to OPUS
Convert AIFF files to OPUS in seconds, for free. Nothing to install.
Files are deleted from the server automatically after 1 h.
Why convert AIFF to OPUS?
- OPUS files are usually several times smaller than AIFF — faster to send and upload.
- Opus gives the best sound at low bitrates — it is the codec behind voice messages in WhatsApp, Telegram and Discord.
You don't need to install any software to convert AIFF to OPUS. Upload your file, choose OPUS and download the result a few seconds later. The conversion runs on our servers and your file is deleted automatically after 1 h.
AIFF vs OPUS: comparison
| Feature | AIFFAudio Interchange File Format | OPUSOpus Audio |
|---|---|---|
| Developer | Apple | Xiph.Org / IETF |
| Released | 1988 | 2012 |
| Type | audio | audio |
| Compression | uncompressed | lossy |
| Opens with | iTunes / Apple Music, QuickTime, Logic Pro, VLC | VLC, Chrome, Firefox, Telegram, WhatsApp |
Tip: choose the bitrate. 128 kbps is enough for speech; 320 kbps is the best quality for music.
How it works
- Choose or drop your AIFF file.
- Pick OPUS as the output format.
- Click “Convert” and download your file.
AIFF to OPUS: questions and answers
Will quality be lost when converting AIFF to OPUS?
OPUS uses compression, but at the default settings the difference is hard to hear or see. You can choose a higher bitrate in Options.
How long does AIFF to OPUS conversion take?
It depends on the length: a short file takes a few seconds, a long video can take a few minutes. Progress is shown as a percentage.
What is the maximum AIFF file size?
Up to 200 MB per file and up to 20 files at once — for free.
Can I convert AIFF to OPUS on my phone?
Yes. TezConvert works in any browser on Android and iPhone — no app needed.
How do I open a OPUS file?
OPUS files open in: VLC, Chrome, Firefox, Telegram, WhatsApp.
Are my files safe?
Files are used only for the conversion, never shown to anyone, and deleted automatically after 1 h. The original is deleted right after conversion.
⇄ Need the opposite? Convert OPUS to AIFF →