audio conversion
AU to WAV Converter
Convert AU files to WAV online for free. Upload a AU file, choose WAV, and download the converted file with no account required.
Why convert AU to WAV?
Audio formats differ in compression, editing support, playback compatibility, and file size. AU files are commonly used for general file conversion workflows. Converting to WAV helps when your next tool, device, website, or sharing workflow needs editing, production, mastering, and uncompressed audio workflows.
Best uses for WAV
WAV is useful for editing, production, mastering, and uncompressed audio workflows. WAV is usually larger because it often stores uncompressed PCM audio. Use this output when compatibility, editing needs, upload requirements, or file size make WAV the better fit.
Before you convert
Check duration, volume, playback support, and whether the output uses lossy or lossless compression before deleting the original. Keep the original AU file until the converted WAV file has been reviewed successfully.
Common upload errors this can fix
Use this converter when an upload form says the file type is not supported, when an app cannot preview the AU file, or when a recipient needs a more familiar WAV file. Always match the output to the format requested by the destination, especially for job portals, school submissions, marketplace listings, CMS uploads, and social platforms.
AU vs WAV
AU is commonly used for general file conversion workflows. WAV is commonly used for editing, production, mastering, and uncompressed audio workflows. The best choice depends on whether you need compatibility, editing support, smaller file size, stable layout, transparency, playback support, or a format that a specific upload form accepts.
Conversion checklist
After converting, open the WAV file before deleting the original AU. Check file size, readability, playback or preview behavior, and whether the converted file works in the exact app, website, or device where you plan to use it.
AU to WAV FAQ
How do I convert AU to WAV?
Upload your AU file, keep AU as the input format, choose WAV as the output, then start the conversion and download the converted file.
Is this AU to WAV converter free?
Yes. You can convert files online without creating an account or installing desktop software.
When should I use WAV?
WAV is useful for editing, production, mastering, and uncompressed audio workflows. WAV is usually larger because it often stores uncompressed PCM audio.
Will converting AU to WAV change quality?
Quality depends on the source file and output format. AU is supported by this converter path. WAV is usually larger because it often stores uncompressed PCM audio.
Why would a website reject my AU file?
Many upload forms accept only a short list of formats. If the form asks for WAV, convert the file first, then open the result and confirm the upload accepts it.
Is WAV good for uploads and playback?
WAV can be useful for specific audio workflows. If maximum compatibility matters, MP3 is usually the safer output.
Should I keep the original audio file?
Yes. Keep the original recording if quality matters, especially for interviews, voice memos, music, legal notes, school work, or podcast production.