AU to GSM Converter — Free Online

Free online AU to GSM converter — quickly transform your audio files without registration or software installation. Our service lets you convert au to gsm in just a few clicks. Upload your file to our server and get the result in seconds. Files are automatically deleted after download. GSM is an ultra-compact voice format. Just 13 kbps with intelligible speech. Try our au to gsm converter right now!

🔄 How AU to GSM Converter Works

Convert AU to GSM with maximum quality. Our server uses professional codecs for precise GSM 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 gsm converter is completely free. Files are automatically deleted after download — your privacy is protected.

🎯 Problems This Converter Solves

Issues playing AU?

Convert to universal GSM format for better compatibility.

Need a lightweight voice format?

Specialized GSM is ideal for speech content.

💡 Common Uses for GSM

📞 Voice recordings

📱 Mobile telephony

🎙️ VoIP and voice chats

💾 Compact voice storage

✨ Our Converter Advantages

⚡ Instant Conversion

Audio file conversion takes just seconds

🎯 Maximum Quality

Server processing ensures perfect GSM quality

🖥️ Powerful Server

Processing on powerful server — your device stays free

🔒 Data Protection

Files are removed immediately after download

⚙️ Custom Options

Control bitrate and sample rate

💰 Zero Cost

No hidden fees or subscriptions

📊 Format Comparison

AU High quality

Sun Audio. Classic Unix format for software.

GSM Voice optimized

GSM telephony standard. Very low 13 kbps bitrate.

❓ Frequently Asked Questions

How can I transform AU to GSM?

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

Is the AU to GSM converter free?

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

What quality can I expect after AU to GSM conversion?

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

How to process many AU files?

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

What files can I upload for GSM 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 AU to GSM

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 GSM files