Convert OPUS to iPhone (M4A)
Convert OPUS to iPhone (M4A) online, free — no installation, no sign-up.
or drop files here to convert OPUS → IPHONE-AUDIO
Max file size 1 GB. Browser-side conversions have no upload limit.
How to convert OPUS to iPhone (M4A)
Add your file
Drop your OPUS file above or click Choose Files.
Convert
We convert your file securely on our server over an encrypted connection.
Download
Grab your new iPhone (M4A) file — done.
What is OPUS?
Opus is a modern open audio codec with excellent quality at low bitrates.
What is iPhone (M4A)?
An AAC audio file (M4A) ready for iPhone playback.
Frequently asked questions
Drop your OPUS file into the box above (or click Choose Files), then click Convert and download your new iPhone (M4A) file. No account or software needed.
Yes — this converter is completely free with no watermarks and no sign-up.
Yes. Files are sent over an encrypted (HTTPS) connection and automatically deleted from our servers within an hour.
You control the output. Use the advanced options (the gear icon) to set quality, and we preserve as much fidelity as the iPhone (M4A) format allows.