M4R to OPUS Converter — Free Online

Free online M4R to OPUS converter — quickly transform your audio files without registration or software installation. Our service lets you convert m4r to opus in just a few clicks. Upload your file to our server and get the result in seconds. Files are automatically deleted after download. OPUS is a modern codec with the best quality/size ratio. Standard for VoIP, Discord and WhatsApp. Try our m4r to opus converter right now!

🔄 How M4R to OPUS Converter Works

OPUS format requires a specialized codec. Our online converter uses server processing for perfect OPUS quality.

Simply upload your M4R file, configure bitrate and sample rate — the server handles the rest. Save your device resources.

Free M4R to OPUS conversion without registration. Powerful server processes your file in seconds and prepares it for download.

🎯 Problems This Converter Solves

Issues playing M4R?

Convert to universal OPUS format for better compatibility.

Uploading podcast or music?

OPUS is optimal for streaming and publishing.

💡 Common Uses for OPUS

🎮 Game audio

🌐 Website audio

📱 Voice messages

🎧 Podcasts and audiobooks

✨ Our Converter Advantages

⚡ Rapid Conversion

No waiting — results delivered immediately

🎯 Studio Grade

Optimized OPUS conversion without quality loss

🔋 Device-Friendly

Save battery — file is processed on server

🔒 Secure Handling

Your data stays private — no storage

🎵 Flexible Settings

Choose quality, bitrate, and other parameters

💰 No Payment

All features available free without an account

📊 Format Comparison

M4R Compact format

iPhone ringtone. AAC container up to 40 seconds.

OPUS Compact format

Modern codec. Best for voice and streaming.

❓ Frequently Asked Questions

How can I transform M4R to OPUS?

Open the converter page, add your M4R file, select OPUS, and click the convert button. Download when ready.

Is the M4R to OPUS converter free?

Absolutely free! Convert as many files as you want without registration or payment.

What quality can I expect after M4R to OPUS conversion?

Double compression affects quality. To minimize losses, use high bitrate and quality source file.

How to process many M4R files?

Conversion to OPUS happens on server. Process files sequentially for stable results.

What files can I upload for OPUS conversion?

Upload files up to 30 MB. After conversion, they're automatically removed from server.

Is server-side conversion secure?

Yes, secure. Files are processed on a protected server and deleted immediately after you download the result.

📝 How to Convert M4R to OPUS

1

Upload File

Drag & drop M4R 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 OPUS files