AU File Viewer Online
Open and preview .au files (Sun AU Audio) directly in your browser — no downloads, no installs, no account required.
Open AU File Now →About AU Files
| Extension | .au |
| Full Name | Sun AU Audio |
| MIME Type | audio/basic |
| Category | 🎵 Audio |
| Processing | 🔒 In-browser (private) |
How to Open AU Files Online
- Visit ViewAnyFile.app
Go to ViewAnyFile.app in any web browser.
- Upload your AU file
Drag and drop your
.aufile, or click to browse. - View instantly
Your file renders immediately. It stays in your browser — nothing is uploaded.
Frequently Asked Questions
How do I open a AU file online?
Visit ViewAnyFile.app and drag your .au file into the upload area. It renders instantly — no download or account needed.
Is it safe to open AU files on ViewAnyFile.app?
Yes. All processing for AU files happens entirely inside your browser. Your files never leave your device and are never uploaded to any server.
Can I open AU files on Mac and mobile?
Yes. ViewAnyFile.app works in any modern browser on Windows, macOS, Linux, iPhone (Safari), and Android (Chrome). No operating system restrictions.
Do I need to create an account?
No. ViewAnyFile.app is 100% free with no signup required. Just drag, drop, and view.