AU to AIF for Audio Workflows
Fast, instant AU to AIF conversion. No signup required. Just drop your .au file and get .aif in seconds.
Batch Settings
您手头是不是有一些老旧的AU音频文件，想转换成更通用、音质更好的AIF格式呢？无论是为了在苹果设备上流畅播放，还是为了专业音频编辑的需求，将AU转换为AIF都是一个明智的选择。AU格式虽然历史悠久，但在现代操作系统和播放器上的兼容性已大不如前，而AIF作为苹果公司开发的无损音频格式，不仅能保留原始音质，还被多数主流音频软件广泛支持。我们的在线转换工具，操作简单快捷，无需下载任何软件，几步就能帮您完成高质量的音频格式转换，让您的声音文件焕发新生。
- 微信分享音乐片段
- 手游音效资源优化
- 港台影视剧音频提取
在华语地区，尤其是苹果生态用户较多的台湾和香港，AIF格式因其无损特性和良好的兼容性，常被用于专业音频制作和高品质音乐存储，而AU则相对少见。
About AU to AIF 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 AIF 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 .aif. AIF is a widely used file format. Rather than searching for desktop software or wrestling with command-line tools, you can convert AU to AIF online in seconds with CocoConvert.
This conversion is ideal when you When you need a AIF file. The conversion helps you convert between formats quickly.
Converting AU to AIF 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 AIF
- 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 AIF
Pick AIF from the format list. The converter automatically tunes settings for the AU→AIF 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 .aif 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 AIF
Your AU file is decoded and re-encoded as AIF.
Your AU file is uploaded and validated
The file is decoded (parsed into its raw data)
The data is re-encoded in AIF format
The converted file is ready for download
Format Comparison
AU
.au file
| Extension | .au |
| MIME Type | audio/basic |
| Category | Audio |
AIF
.aif file
| Extension | .aif |
| MIME Type | audio/aiff |
| Category | Audio |
Should You Convert AU to AIF?
When to Convert
- ✓When you need a AIF file
Frequently Asked Questions
Who needs to convert AU to AIF?
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 AIF without losing quality?
Converting AU to AIF maintains high quality with CocoConvert's optimised encoder settings.
Do I need to install software to convert AU to AIF?
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 AIF 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 AIF.
Versions are pinned in our worker Dockerfile and re-built via CI on every change.