GSM to AU Converter — Free Online

Free online GSM to AU converter — quickly transform your audio files without registration or software installation. Our service lets you convert gsm to au in just a few clicks. Upload your file to our server and get the result in seconds. Files are automatically deleted after download. AU is a classic Unix/Sun format. Widely supported in scientific and professional software. Try our gsm to au converter right now!

🔄 How GSM to AU Converter Works

GSM to AU — professional server-side conversion. Perfect results thanks to optimized processing algorithms.

Our gsm converter supports quality settings from 64 to 320 kbps. Choose parameters that match your requirements.

Server conversion to AU works reliably on any device. Your device stays free — all work is done on our server.

🎯 Problems This Converter Solves

Issues playing GSM?

Convert to universal AU format for better compatibility.

💡 Common Uses for AU

📁 Convert to AU format

🔄 Change audio format

📱 Device compatibility

💾 Optimize file size

✨ Our Converter Advantages

⚡ Rapid Conversion

No waiting — results delivered immediately

🎯 Studio Grade

Optimized AU 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

GSM Voice optimized

GSM telephony standard. Very low 13 kbps bitrate.

AU High quality

Sun Audio. Classic Unix format for software.

❓ Frequently Asked Questions

How can I transform GSM to AU?

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

Is the GSM to AU converter free?

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

What quality can I expect after GSM to AU conversion?

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

How to process many GSM files?

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

What files can I upload for AU 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 GSM to AU

1

Upload File

Drag & drop GSM 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 AU files