Audio to WAV Converter
Convert audio to WAV - free, no upload.
Your audio is decoded and converted inside this page. It is never uploaded.
What this tool does
Choose an audio file to get back a WAV version, ready to play in the preview or download.
Converts MP3, AAC, OGG, FLAC and other browser-supported audio formats to WAV.
Uses the browser's own audio decoder, so no server upload or format-specific library is needed.
Lets you preview the converted audio before downloading.
Preserves every channel from the source file - mono, stereo, or more - since WAV doesn't need to downmix like some compressed formats do.
Names the output file after your original, with a .wav extension, ready to download immediately.
How to use it
- Choose an audio file.
- Preview the converted result.
- Download the .wav file.
Why use this converter
WAV is accepted by editors, games and hardware that reject compressed formats. Converting decodes the audio without an upload.
Why we built it
We built the audio to WAV converter on the browser's own decoder, so no format-specific codec library is bundled or downloaded. Trim the result with the audio trimmer and compress to MP3 with the audio to MP3 converter.
For a neighbouring job there is also the Audio Metadata Viewer, the Audio Waveform Generator and the Audio Volume Booster.
Who this tool is for
- Podcasters and editors needing uncompressed audio
- Developers preparing sound files
- Anyone whose software only accepts WAV
When to use it
- Preparing audio for an editor or device.
- Converting MP3, AAC or OGG to uncompressed.
- Archiving audio.
- Fixing compatibility problems.
Why WAV needs no compression library
WAV is one of the simplest audio file formats to write correctly.
WAV is just a short, documented header describing the sample rate and channel count, followed by the raw, uncompressed audio samples themselves - no compression algorithm to implement. Once the browser's own audio decoder has turned your file into raw samples (which it can do for any format it natively supports), writing those samples out as WAV is a small, well-understood step that doesn't need a bundled library.
What's actually inside the WAV file this produces
A short header plus the exact samples decoded from your source - nothing hidden, nothing compressed.
A WAV file created here starts with a small, standard 44-byte header recording the sample rate, channel count and bit depth, immediately followed by the audio samples themselves, converted to 16-bit integers and interleaved channel by channel. There's no compression step and no encoding algorithm involved - once your source audio has been decoded into samples by the browser, writing them out in this format is just arranging bytes in the documented order. That's why a WAV converted this way is lossless relative to what the browser's decoder produced: every sample makes it into the file exactly as decoded, just re-packaged into a simpler container.
What you give it, and what you get back
| Item | Details |
|---|---|
| Input | An audio file your browser can play. |
| Output | A WAV file with a preview. |
| Notes | Files are larger. |
Issues you may run into
| What you see | Why it happens | What to do |
|---|---|---|
| File is very large | WAV is uncompressed. | Use MP3 for sharing. |
| File will not load | The browser cannot decode it. | Convert it with another tool. |
| Quality is unchanged | The source was lossy. | Detail cannot be restored. |
Assumptions and limitations
- Only audio formats your browser can already decode natively are supported - if your browser can't play a file, this tool can't convert it either.
- The output WAV is uncompressed, so it will usually be significantly larger than the original compressed file.
- The browser's own decoder may resample audio to its own operating sample rate during decoding, so the output's sample rate isn't always identical to the source file's original rate.
Frequently asked questions
How do I convert audio to WAV for free?
Choose your audio file - it's decoded and converted to WAV instantly, ready to preview and download.
What formats can I convert from?
Anything your browser can already play natively, which typically includes MP3, AAC, OGG and FLAC.
Why is the WAV file so much bigger than my original?
WAV stores uncompressed audio, so it's naturally larger than compressed formats like MP3.
Does this reduce audio quality?
No - WAV is lossless, so no quality is lost in the conversion itself (though it can't restore quality already lost by a lossy source format).
Is my audio uploaded anywhere?
No. Conversion happens entirely in your browser.
Does WAV support more than two audio channels?
Yes - unlike some compressed formats, this converter preserves every channel present in the source file rather than downmixing to stereo.
What's inside the WAV file - is anything encoded or compressed?
No - it's a small standard header followed by the raw 16-bit samples decoded from your source, arranged in the documented WAV byte order. No compression algorithm is involved.