AU to AMR Converter — Free Online

Free online AU to AMR converter — quickly transform your audio files without registration or software installation. Our service lets you convert au to amr in just a few clicks. Upload your file to our server and get the result in seconds. Files are automatically deleted after download. AMR is optimized for voice recording. 3GPP standard for mobile calls and voice messages. Try our au to amr converter right now!

🔄 How AU to AMR Converter Works

Convert AU to AMR with maximum quality. Our server uses professional codecs for precise AMR format conversion.

Upload file up to 30 MB, choose quality settings and get results in seconds. Server processing ensures stable results regardless of your device.

au to amr converter is completely free. Files are automatically deleted after download — your privacy is protected.

🎯 Problems This Converter Solves

Device can't play AU?

Some players don't support AU. Conversion will solve the problem.

Need a format for voice recordings?

AMR is optimized for voice with minimal file size.

💡 Common Uses for AMR

📞 Voice recordings

📱 Mobile telephony

🎙️ VoIP and voice chats

💾 Compact voice storage

✨ Our Converter Advantages

⚡ Speed Optimized

Optimized algorithms for lightning-fast processing

🎯 Best Quality

Maximum precision when converting to AMR

☁️ Cloud Conversion

Server processing guarantees compatibility

🔒 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

AU High quality

Sun Audio. Classic Unix format for software.

AMR Voice optimized

Voice format. Small size, 3GPP standard for telephony.

❓ Frequently Asked Questions

How to convert AU to AMR?

Upload your AU file, select AMR as output format, and click Convert. Your file will be ready in seconds.

Is AU to AMR conversion free?

Yes, conversion is completely free. No registration required, no hidden fees.

Does converting AU to AMR affect quality?

When converting between lossy formats, we recommend using maximum bitrate to minimize quality loss.

Can I convert multiple AU files to AMR?

Server-side AMR conversion processes files one at a time for maximum quality. Upload the next file after downloading the result.

What's the maximum file size for conversion?

For server processing — up to 30 MB per file. Files are deleted immediately after download.

Where does AMR conversion happen?

AMR format requires specialized codecs, so conversion runs on our server. Files are automatically deleted after download.

📝 How to Convert AU to AMR

1

Upload File

Drag & drop AU 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 AMR files