Free Online Converter
Convert M4A to OPUS
Free online MPEG-4 Audio to Opus Audio Codec converter. Fast, secure processing directly in your browser.
How to Convert M4A to OPUS
- Click or drag your M4A file into the upload area above
- Wait for the file to be loaded (happens instantly in your browser)
- Click the "Convert File" button
- Your processed OPUS file will automatically download
Why Convert M4A to OPUS?
Key Features
100% FreeNo subscription, no hidden fees, no limits
Privacy FirstFiles never leave your device
Fast ProcessingInstant browser-based conversion
No InstallationWorks directly in your browser
High QualityMaintains quality during conversion
SecureClient-side processing only
About M4A and OPUS Formats
M4A (MPEG-4 Audio)
M4A is an audio-only MPEG-4 container commonly used by Apple devices and iTunes. Supports both lossy (AAC) and lossless (ALAC) compression.
OPUS (Opus Audio Codec)
Opus is a modern, open audio codec designed for interactive speech and music transmission over the Internet. Offers excellent quality at low bitrates.