AU
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WAV

Convert AU to WAV Online

Convert AU to WAV online. Start with free daily conversions, no install, no watermarks, and visible job status.

AU to WAV Converter

Upload your AU file to convert it to WAV format

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How to Convert AU to WAV

Follow these simple steps

1

Step 1: Upload Your File

Upload your AU file by dragging and dropping or clicking to browse

2

Step 2: Select Output Format

WAV is automatically selected as the output format

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Step 3: Start Conversion

Click the Convert button to start the conversion

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Step 4: Download Result

Download your converted WAV file when ready

Convert AU to WAV - Complete Guide

Converting AU to WAV stays in the audio file family but changes the traits that decide size, quality, transparency, editability, or device support. AU is a audio format. Sun audio. WAV is an uncompressed audio format used for editing, recording, mastering, and high-quality audio exchange. Below is what actually changes in a AU→WAV conversion, what is preserved, and when WAV is the better choice than keeping AU.

What changes when you convert AU to WAV

  • The audio is re-encoded into the WAV format. Because re-encoding is not free, start from the highest-quality source you have and keep quality settings high.
  • WAV is widely supported for streaming, browsers, and uploads, so the result plays on more devices and platforms than AU.
  • Expect a larger output file: WAV stores AU content with less aggressive compression.

About the AU format

AU is a audio format. Sun audio.

  • Compression: mixed
  • Opens with: VLC, Audacity, FFmpeg

Where AU is strong: simple legacy format from Sun/NeXT systems; stores uncompressed PCM or companded mu-law/A-law audio; easy to read and parse.

Typical AU uses: legacy Unix and Java system sounds, older audio archives.

About the WAV format

WAV (Waveform Audio File Format) is an uncompressed audio format that preserves full audio quality. It is ideal for professional audio editing and archival purposes.

  • Full name: Waveform Audio File Format
  • Developer: Microsoft/IBM
  • Compression: None (uncompressed PCM)
  • Opens with: every DAW, Audacity, every player

Where WAV is strong: uncompressed, studio-quality audio; ideal for editing and mastering; no generation loss.

Typical WAV uses: audio editing and recording, mastering, high-quality source files.

What WAV keeps

  • WAV adds: uncompressed, studio-quality audio.

Things to watch out for

  • One WAV limitation to keep in mind: very large files.

When to convert AU to WAV

  • Convert AU to WAV for audio editing and recording.
  • Convert AU to WAV for mastering.
  • Convert AU to WAV for high-quality source files.
  • Choose WAV when a website, browser, or upload form rejects your AU file.

AU vs WAV — format comparison

A quick side-by-side of the structural differences between AU and WAV, so you can confirm this is the right conversion for your file:

AttributeAUWAV
TypeAudio fileAudio file
CompressionFlexible (lossy or lossless)Uncompressed
Web-friendlyNoYes
Typical file sizeMediumLarge
Best forlegacy Unix and Java system soundsaudio editing and recording

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Need the opposite conversion?

Convert WAV to AU

Other AU Conversions

More formats you can convert AU to

Convert AU to MP3Convert AU to AACConvert AU to OGGConvert AU to FLACConvert AU to M4AConvert AU to WMAConvert AU to AIFFConvert AU to OPUSConvert AU to AC3Convert AU to AMRConvert AU to CAFConvert AU to MKAConvert AU to WVConvert AU to SPXConvert AU to OGAConvert AU to DTSConvert AU to MP2
View all AU conversions →

Convert to WAV

Other formats you can convert to WAV

Convert MP3 to WAVConvert AAC to WAVConvert OGG to WAVConvert FLAC to WAVConvert M4A to WAVConvert WMA to WAVConvert AIFF to WAVConvert OPUS to WAVConvert AC3 to WAVConvert AMR to WAVConvert CAF to WAVConvert MKA to WAVConvert WV to WAVConvert SPX to WAVConvert OGA to WAVConvert DTS to WAVConvert MP2 to WAV
View all WAV conversions →

Popular Related Conversions

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AU to WAV FAQ

Converting AU to WAV preserves the content faithfully; output also depends on the source file and any settings you choose.
Upload your AU file, confirm WAV as the output format, and click Convert. Job status is shown while the file is processed, then you can download the WAV result.
Yes. You can start with free daily conversions, with no signup required for your first jobs and no watermarks on the output. Accounts and paid plans are available for higher-volume work.
No. The AU to WAV conversion runs in your browser on any device — Windows, Mac, Linux, iOS, or Android — with uploads and downloads over HTTPS.
WAV is an uncompressed audio format that stores audio in its original quality without any loss of data.
WAV files are uncompressed, storing every audio sample at full quality. This results in larger file sizes but perfect audio fidelity.
Use WAV for professional audio editing, music production, and when you need the highest audio quality without any compression.
Yes, but converting MP3 to WAV won't improve quality - it only changes the container. The MP3 compression is already applied.
Processing time depends on file size, format, and queue load. The page shows job status while conversion runs.
Yes. You can add multiple AU files to a batch and process them together within the current file-size and credit limits.

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