OPUS to M4A Converter — Free Online

Free online OPUS to M4A converter — quickly transform your audio files without registration or software installation. Our service lets you convert opus to m4a in just a few clicks. Conversion happens right in your browser — files are never uploaded to a server and stay on your device. M4A is Apple's container for high-quality audio. Perfect for iPhone, iPad and iTunes. Try our opus to m4a converter right now!

🔄 How OPUS to M4A Converter Works

OPUS to M4A conversion is fast and convenient. Drag multiple files to upload area, and our online converter processes them in seconds.

Full control over quality: bitrate, sample rate, channels. Customize opus to m4a conversion settings to your needs.

Processing runs locally in browser. Your files stay private — we never access your audio. Works on Windows, Mac, Linux, Android and iOS.

🎯 Problems This Converter Solves

Can't open OPUS file?

Not all software works with OPUS. Convert to compatible M4A.

Want to share music?

M4A format opens on any device without issues.

Syncing music with iPhone?

M4A format is native to Apple ecosystem.

💡 Common Uses for M4A

📱 Upload to iPhone/iPad

🎵 Add to iTunes/Apple Music

📺 YouTube video audio

💾 High-quality compression

✨ Our Converter Advantages

⚡ Speed Optimized

Optimized algorithms for lightning-fast processing

📦 Group Convert

Up to 10 audio files in one session

🌐 Universal Access

Open in browser and start converting

🔒 Complete Security

Your files are protected and auto-deleted after processing

🎛️ Full Control

Adjust audio quality to your needs

💰 Free Service

Convert as much as you want — it costs nothing

📊 Format Comparison

OPUS Compact format

Modern codec. Best for voice and streaming.

M4A Compact format

Apple container for AAC. Compatible with iTunes.

❓ Frequently Asked Questions

How do I change OPUS to M4A?

Drag and drop your OPUS file, choose M4A as target format, and start conversion. Download the result instantly.

Do I need to pay for OPUS to M4A conversion?

No payment needed. The service is free, with no subscriptions or hidden costs.

Is quality lost when converting OPUS to M4A?

Each lossy conversion reduces quality slightly. Choose maximum bitrate (320 kbps) for best results.

Is batch OPUS conversion supported?

Sure! Upload up to 10 OPUS files and convert them all with a single click.

Is there a file size limit for OPUS?

Maximum 100 MB per file. All processing happens locally on your computer.

Are my files uploaded to a server?

No, files stay on your device. The browser performs conversion locally using WebAssembly technology.

📝 How to Convert OPUS to M4A

1

Upload File

Drag & drop OPUS files or click "Choose Files"

2

Adjust Settings

Choose quality, bitrate and other options

3

Convert

Click "Convert" and wait for processing

4

Download Result

Download your M4A files