Convert AU to MP3 Files Online for Free.
Free online tool to convert au to mp3 files quickly and securely. No installation required – start converting your files in just a few clicks!
Drag and drop your files here or click to upload.
0 files uploaded. 100 files remaining.
Maximum file size is 10MB
How It Works
How to Convert AU to MP3
Click inside the file drop area to upload your AU file or drag & drop it.
Select MP3 as the output format and click the 'Convert' button.
Download the converted MP3 file instantly after conversion.
You can also send a link to the converted file via email. (Optional)
Convert Your AU files to other formats
RunConvert.com can convert your AU files to these other formats:
Convert Your AU files to other formats
Convert Files to AU Format
RunConvert.com supports these converters to AU format:
Convert Files to AU Format
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Frequently Asked Questions
Here are some common questions and answers about au file conversions ask by our users on RunConvert.com.
Frequently Asked Questions
Q: What should I do if the audio sounds different after conversion?
A: Sometimes, small changes can happen during conversion, especially with compressed formats. If you notice a significant difference, try adjusting the quality settings or switching formats for better results.
Q: What happens after I convert my audio file?
A: Once your file is converted, it’s ready for download! You can grab it right away, and it’s yours to use as you wish—whether it's for personal use, professional projects, or sharing with others!
Q: What’s the fastest way to convert a large audio file?
A: To speed things up, make sure the file isn’t too large before uploading. RunConvert can handle big files, but keeping them under 200MB will ensure quicker conversions. Otherwise, just be patient—it’ll be worth it!
Q: Will RunConvert support more audio formats in the future?
A: You bet! We're always working to add more formats to support your needs. Keep an eye on updates as we expand our format options to ensure you can convert whatever you need!
Q: Can I adjust the quality of my converted audio?
A: Yes, you can adjust the quality when converting. For higher fidelity, choose formats like FLAC or WAV. If you're okay with a bit of compression, MP3 or OGG are great choices. You control the quality, you know?
Q: Can I convert stereo audio to mono?
A: Yes, you can! RunConvert lets you switch from stereo to mono with ease. Whether you’re preparing audio for a specific device or adjusting the sound, we’ve got you covered.
Q: Can I convert a WAV file to a smaller file format like MP3?
A: Yes, converting WAV files to MP3 is easy, and it’s a great way to reduce the file size. Just upload your WAV file and select MP3 for the conversion—you’ll save space without compromising too much on quality.
Q: How do I convert a video file to an audio file?
A: To convert a video file to audio, simply upload the video to RunConvert and choose the audio format you want, like MP3 or WAV. We’ll extract the audio from the video for you, making it easier to listen on the go.
Q: Can I convert a file from a streaming service like Spotify?
A: While we can’t directly extract audio from streaming services like Spotify, you can record the audio first and then upload it to RunConvert. Just remember, ensure you're following all legal guidelines when recording or downloading.
Q: Can I convert audio files for use in video editing?
A: Definitely! You can convert your audio files into any format needed for video editing software. Whether it’s background music, voiceovers, or sound effects, we’ve got you covered.
What is AU (Audio File)?
AU is an audio file format developed by Sun Microsystems in the 1980s. It is commonly used for storing digital audio data, and was originally used for audio files on Unix-based systems.
The .au format supports various audio quality levels and is known for its simplicity. It is mostly used in software development and by developers who work with raw audio data.
How to open AU?
AU files can be opened with a variety of media players like VLC Media Player, Audacity, or QuickTime on macOS.
Windows users can open AU files using VLC Media Player or install software like Winamp with the appropriate plugin.
AU is Developed by: Sun Microsystems
AU was Released on: 1987
Useful Links for AU:
How to convert AU?
To convert AU files, you can use our online audio converter. Simply upload your AU file, select the output format (MP3, WAV, etc.), and start the conversion process.
Our converter ensures quick and high-quality conversion for better compatibility with various audio players and devices.
What is MP3 (MPEG-1 Audio Layer III)?
MP3 (MPEG-1 Audio Layer III) is a popular audio compression format that is widely used for storing music, podcasts, audiobooks, and other audio files. It uses lossy compression, meaning some audio data is discarded to reduce the file size while maintaining reasonable sound quality.
MP3 files are compatible with almost all devices and media players, making it the most commonly used audio format for music distribution and streaming.
How to open MP3?
MP3 files can be opened with nearly every media player, including Windows Media Player, VLC Media Player, iTunes, and others.
On macOS, you can open MP3 files using the default Music app, QuickTime Player, or third-party apps like VLC.
MP3 is Developed by: Fraunhofer IIS and others
MP3 was Released on: 1993
Useful Links for MP3:
How to convert MP3?
You can convert MP3 files using an online audio converter. Simply upload your MP3 file, select the output format you prefer (e.g., WAV, AAC, or OGG), and convert it.
Our converter ensures fast processing with high-quality output that is compatible across various devices and platforms.
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