Convert AIFF to OPUS online in seconds — free, with no sign-up. OPUS is lossy and ideal for voice, streaming and real-time audio. Your files are encrypted and deleted automatically after 24 hours.
How to convert AIFF to OPUS
- 1Upload your AIFF file
Click “Choose a file” or drag and drop your AIFF file onto the page — no sign-up or email needed.
- 2Convert to OPUS
OPUS is already selected as the output. Open Options to fine-tune quality if you like, then click Convert.
- 3Download your OPUS file
Your OPUS file is ready in seconds — click Download to save it. Files are automatically deleted after 24 hours.
Frequently asked questions
Does converting AIFF to OPUS lose quality?
Converting AIFF to OPUS keeps your content intact. We use high-quality defaults so your OPUS file looks as close to the original as the format allows.
Is the AIFF to OPUS converter free?
Yes — converting AIFF to OPUS is completely free. There's no watermark, no sign-up and no email required, and you can convert as many files as you like.
Are my AIFF files private and secure?
Yes. Your uploads are encrypted in transit, processed privately, and automatically deleted within 24 hours. We never share, sell or look at your files.
Can I convert AIFF to OPUS on iPhone, Android, Mac or Windows?
Yes. The converter runs entirely in your browser, so it works on any device — iPhone, iPad, Android, Mac, Windows or Linux — with nothing to download or install.
How long does it take to convert AIFF to OPUS?
Most files convert in a few seconds. Larger files take a little longer, and your upload speed is usually the limiting factor. There's no queue and no waiting for an email.
What else can I convert AIFF files to?
Besides OPUS, you can convert AIFF to AAC, FLAC, M4A, MP3, OGG, WAV and more — see the full list of AIFF conversions below.
Other conversions
Last updated July 2026