Convert M4A to OPUS
Convert your M4A audio files to OPUS directly in your browser.
How to convert audio in 3 steps
Choose a M4A audio file.
Click convert to OPUS.
Download your OPUS audio.
Format descriptions
M4A — M4A is a compressed audio container based on MP4, usually using the AAC codec. It is very common on Apple devices and mobile phones.
OPUS — OPUS is a modern, open and royalty-free audio codec. It delivers excellent quality even at low bitrates, making it ideal for streaming, voice and podcasts.
Frequently Asked Questions
What is audio conversion?
Audio conversion changes an audio file from one format to another, for example from M4A to OPUS, while keeping the audio content.
Are my audio files uploaded?
No. This tool processes audio files directly in your browser. Your audio files are never sent to a server.
Which audio formats are supported?
This tool converts M4A audio files to OPUS, all in your browser.
Is it really free and unlimited?
Yes, the tool is completely free and you can convert as many audio files as you want, with no limits.
Does it work on mobile too?
Yes, it works on any modern device, including smartphones, tablets and desktop computers.
Which format will the result be in?
The converted file will always be in OPUS format, ready to download and use.
About the audio converter
Convert M4A to OPUS audio online for free. Everything happens in your browser: your files are never uploaded to a server, and you need no downloads or sign-up to get started.