View AU File files directly in your browser. No installation, no account. 100% private — files never leave your device.
Drop your file to view it instantly
or click to browse from your device
Desktop: up to 50MB · Mobile: up to 20MB
Works entirely in your browser — no software installation required
100% private — files never leave your device or touch any server
Completely free with no account or registration required
Mobile-friendly — works on phones, tablets, and desktops
Accurately renders AU files entirely in your browser
Instant file loading — no server upload or processing delay
Sun/NeXT audio format
Portable format for music, podcasts, and voice recordings
Supported in all modern devices and media players
Suitable for streaming, download, and broadcast distribution
Lossy formats permanently discard audio data
Uncompressed formats produce impractically large files
DRM restrictions may limit playback in some players
Music streaming and podcast distribution
Ringtones, alerts, and notification sounds
Video soundtrack and background music delivery
High-quality archiving and master backups
Always start from the highest-quality source: lossless to lossy, never lossy to lossy
For streaming, target -14 LUFS (Spotify) or -16 LUFS (podcasts) for consistent loudness
Sample rate and bit depth matter more than codec choice at equivalent bitrates
Preview converted audio before distribution to catch artifacts early
Drag & drop your .au file, or click to browse
Your file opens instantly — no upload or server
Save the original file anytime with one click
Yes, completely free. View any AU file with no limits, no sign-up, and no software installation required.
Your AU file is processed entirely in your browser using client-side JavaScript. It never leaves your device, is never uploaded to any server, and is cleared when you close the tab.
Yes. After viewing, you can convert your AU file to another format using our free AU converter linked below.
Free, instant, and 100% private. Your files are processed locally in your browser.