AU to CVU for Audio Workflows
Fast, instant AU to CVU conversion. No signup required. Just drop your .au file and get .cvu in seconds.
Batch Settings
About AU to CVU Conversion
Whether you're one of the many musicians, podcasters, and audio engineers who work with AU files daily, there comes a time when you need CVU instead. AU is a widely used file format.
Here's a typical scenario: you receive a .au file but your project, platform, or client requires .cvu. CVU is a widely used file format. Rather than searching for desktop software or wrestling with command-line tools, you can convert AU to CVU online in seconds with CocoConvert.
This conversion is ideal when you When you need a CVU file. The conversion helps you convert between formats quickly.
Converting AU to CVU maintains high quality with CocoConvert's optimised encoder settings.
Behind the scenes, CocoConvert uses industry-standard tools — FFmpeg for audio and video, Sharp for images, qpdf for documents. Your file is uploaded securely (TLS encryption), processed on isolated servers in Germany, and auto-deleted within 24 hours. No account, no watermark, no hidden fees.
Power users can batch convert up to 100 files simultaneously with a Pro subscription, making it practical for production workflows.
How to Convert AU to CVU
- 1
Drop your file
Drag your .au file onto the converter. Need to process many files? Add up to 5 at once (100 for Pro).
- 2
Set output to CVU
Pick CVU from the format list. The converter automatically tunes settings for the AU→CVU pair.
- 3
Hit Convert
Processing happens server-side — your browser stays responsive. Most audio files convert in under 10 seconds.
- 4
Download and use
Your .cvu file is ready to plug into your workflow. Download it or share the link (expires in 24 hours).
What Happens When You Convert AU to CVU
Your AU file is decoded and re-encoded as CVU.
Your AU file is uploaded and validated
The file is decoded (parsed into its raw data)
The data is re-encoded in CVU format
The converted file is ready for download
Format Comparison
AU
.au file
| Extension | .au |
| MIME Type | audio/basic |
| Category | Audio |
CVU
.cvu file
| Extension | .cvu |
| MIME Type | audio/x-cvu |
| Category | Audio |
Should You Convert AU to CVU?
When to Convert
- ✓When you need a CVU file
Frequently Asked Questions
Who needs to convert AU to CVU?
This conversion is commonly used by musicians, podcasters, and audio engineers. Typical reasons include convert between formats quickly and ensuring compatibility with downstream tools or platforms.
Can I convert AU to CVU without losing quality?
Converting AU to CVU maintains high quality with CocoConvert's optimised encoder settings.
Do I need to install software to convert AU to CVU?
No. CocoConvert runs entirely in your browser — no downloads, no plugins. It works on macOS, Windows, Linux, iOS, and Android.
How many AU files can I convert at once?
Free users can convert up to 5 files per hour. Pro subscribers get 100 files per hour with larger size limits (5 GB per file). Business API users can integrate batch conversion directly into their tools.
Is there an API for AU to CVU conversion?
Yes. CocoConvert offers a Business API for automated conversions. It supports all the same format pairs available in the web interface, including AU to CVU.
Versions are pinned in our worker Dockerfile and re-built via CI on every change.