Audio to WAV Converter

Convert MP3, M4A, AAC, OGG, FLAC and more into uncompressed 16-bit PCM WAV files.

Your audio stays on your device. Processing happens locally in your browser.

Drag & drop an audio file

or click to browse — MP3, M4A, AAC, OGG, FLAC

What is this tool? Audio to WAV Converter?

WAV is the universal "raw PCM" container, every operating system, every audio editor, every embedded device understands it. Converting MP3, M4A, AAC, OGG or FLAC to WAV is useful when you need to feed audio into a tool that doesn't accept compressed formats, or when you want a lossless working copy before further editing. The browser's Web Audio API decodes the source and we write a 16-bit stereo (or mono) WAV file using the same parameters as the input.

How do you use this tool? Audio to WAV Converter

  1. Upload audio, Drop any browser-decodable audio file.
  2. Convert, Click Convert to WAV. Decoding + re-encoding usually takes <2 seconds for a 5-minute file.
  3. Download, Save the .wav.
  4. Review the preview or output, then test it in the destination application before replacing the original.

Common Use Cases

Prepare audio for editing

Convert compressed files into PCM WAV for software that expects an uncompressed working format.

Meet transcription or analysis requirements

Create a predictable WAV input for speech-recognition, acoustic, or archival workflows.

Improve compatibility with legacy tools

Convert M4A, AAC, OGG, or other formats for applications that accept WAV.

Standardise a processing pipeline

Use one sample format before mixing, analysis, or batch processing.

Why is this tool useful?

Predictable PCM output

WAV stores decoded samples in a widely supported container that many tools can read directly.

No additional lossy compression

The export does not introduce another perceptual codec generation when using PCM.

Broad production compatibility

WAV is common in editors, transcription tools, game engines, and audio-analysis software.

Best Practices

  • ✓ Match the sample rate and channel layout required by the destination instead of increasing them without a reason.
  • ✓ Expect a much larger file, because PCM WAV stores uncompressed samples.
  • ✓ Remember that conversion cannot restore detail already removed by MP3, AAC, or another lossy codec.
  • ✓ Keep the original compressed file for distribution and the WAV as a working copy when appropriate.
  • ✓ Check metadata requirements, because tags and embedded artwork may not transfer into a basic WAV export.

Practical examples

Prepare an MP3 for an editor that requires PCM
Input
3-minute MP3, output: 16-bit PCM WAV.
Output
A 3-minute WAV that is much larger and broadly editable. Converting does not restore quality previously removed by MP3 compression.
Convert a voice memo for transcription software
Input
M4A voice memo, output: WAV.
Output
An uncompressed WAV with the same audible content, suitable for software that does not accept M4A.

Frequently Asked Questions

Typically 5,10× larger. WAV is uncompressed, that's the trade-off for universal compatibility and zero generational loss.

It supports every format your browser can decode via the Web Audio API: MP3, WAV, M4A, AAC, OGG (Vorbis), FLAC. Browser support varies slightly, Safari may struggle with Ogg Vorbis on older versions.

No. The tool creates a new result in the browser. Your original remains unchanged unless you overwrite it after downloading.

The tool does not add ownership restrictions to your output. You remain responsible for rights to the source material and for complying with third party licenses.

Related Guides

Media & Audio

Audio File Formats Explained: MP3, WAV & More

The difference between lossy and lossless audio, when to use MP3 vs WAV, and how to choose the right format for your use case.

6 min read

Looking for more free tools?

ManyUtils has dozens of fast, privacy-friendly utilities for developers, designers, writers and everyday users. All free, all in your browser.

Browse all tools →