AU Won't Open? Convert to MAUD Instantly
Fast, instant AU to MAUD conversion. No signup required. Just drop your .au file and get .maud in seconds.
Batch Settings
音频文件格式五花八门，对于经常处理声音的朋友来说，AU和MAUD这两个名字想必不陌生。AU格式作为一种历史悠久的音频标准，在一些特定场景下依然扮演着重要角色；而MAUD，作为某些专业软件或设备偏好的格式，也有其独特之处。当您手头的AU文件需要转换成MAUD格式，无论是为了兼容新平台、满足特定播放需求，还是进行后续的编辑处理，一个高效稳定的转换工具就显得尤为关键。我们深知在不同工作流中，格式转换可能带来的困扰，因此致力于提供流畅无忧的解决方案，让您的音频文件轻松适配各种使用场景。告别繁琐，一键转换，让您的音频素材焕发新生。
- 微信分享音频
- 手游音效导入
- 专业音乐制作
在华语区，AU格式常用于一些老旧的专业音频工作站或特定编码器产出，而MAUD则可能与某些国产影音编辑软件或游戏开发工具链关联。
About AU to MAUD Conversion
Dealing with a AU file that won't open on your device? You're not alone — AU compatibility issues are one of the most common reasons people search for a file converter. AU is a widely used file format.
The fix is simple: convert your AU to MAUD. MAUD is a widely used file format. This conversion lets you convert between formats quickly, solving the problem in seconds rather than hours of troubleshooting.
Converting AU to MAUD maintains high quality with CocoConvert's optimised encoder settings.
CocoConvert processes your AU file on secure servers in Germany — upload, convert, download. Your files are encrypted via TLS and automatically deleted within 24 hours. No account needed, no software to install, and it works on any device with a browser.
This conversion is ideal when you When you need a MAUD file.
The conversion engine behind CocoConvert uses FFmpeg, Sharp, and qpdf — the same open-source libraries trusted by Netflix, YouTube, and enterprise platforms. Pro users can batch convert up to 100 files at once.
How to Convert AU to MAUD
- 1
Add your AU file
Drag and drop your .au file into the converter, or tap "Browse" to pick it from your device. Multiple files are supported for batch processing.
- 2
Pick MAUD output
Select .maud as the target format. CocoConvert automatically applies the best quality settings for this conversion.
- 3
Start conversion
Hit the Convert button. The audio engine processes your file server-side — no CPU drain on your device.
- 4
Save your file
Once done, download your .maud file. For batch jobs, download all at once as a zip.
What Happens When You Convert AU to MAUD
Your AU file is decoded and re-encoded as MAUD.
Your AU file is uploaded and validated
The file is decoded (parsed into its raw data)
The data is re-encoded in MAUD format
The converted file is ready for download
Format Comparison
AU
.au file
| Extension | .au |
| MIME Type | audio/basic |
| Category | Audio |
MAUD
.maud file
| Extension | .maud |
| MIME Type | audio/x-maud |
| Category | Audio |
Should You Convert AU to MAUD?
When to Convert
- ✓When you need a MAUD file
Frequently Asked Questions
Why won't my AU file open?
AU files may not open if your device lacks the right codec or application. Converting to MAUD — a more widely supported format — usually resolves this. MAUD is a widely used file format.
Is it safe to convert AU to MAUD online?
Yes. CocoConvert encrypts your file via TLS, processes it on isolated servers in Germany, and permanently deletes it within 24 hours. Your files are never shared or analysed.
Will I lose quality converting AU to MAUD?
Converting AU to MAUD maintains high quality with CocoConvert's optimised encoder settings. CocoConvert uses high-quality encoder defaults to preserve as much fidelity as possible.
How large can my AU file be?
Free users can convert files up to 250 MB each. Pro users get a 5 GB limit per file, and Business API users have custom limits.
Can I convert AU to MAUD on my phone?
Absolutely. CocoConvert works in any modern browser — iOS Safari, Android Chrome, and all desktop browsers. No app required.
Versions are pinned in our worker Dockerfile and re-built via CI on every change.