File Convert

Convert M4R to OPUS

Free online M4R-to-OPUS converter — upload a M4R file and download a OPUS. Fast, private, no signup.

Loading the converter…

M4R vs OPUS

M4R

iPhone ringtone (AAC in an MPEG-4 container).

About M4R ↗

OPUS

Modern low-latency lossy audio codec.

About OPUS ↗

M4R to OPUS: frequently asked questions

How do I convert M4R to OPUS?

Drop your M4R file into the converter above — we auto-detect the real format from its bytes, convert it, and give you a OPUS to download. No software to install.

Is the M4R to OPUS converter free?

Yes. Convert M4R to OPUS for free right in your browser, with no account needed to get started.

Is it safe and private?

Your file is transferred over an encrypted connection and anonymous uploads are temporary. You can also view and strip metadata (location, device, author) before you download.

What's the difference between M4R and OPUS?

iPhone ringtone (AAC in an MPEG-4 container). Modern low-latency lossy audio codec.

Related conversions

Convert M4R to: MP3 · WAV · FLAC · M4A · AAC · AC3 · AIFF · M4B · OGG · WV

Convert to OPUS from: AAC · AC3 · AIFF · AMR · APE · FLAC · M4A · M4B · MP3 · OGG

Browse all supported formats →