Convert MP3 to WAV Online
xFormat converts MP3 files to uncompressed WAV in your browser, ready for audio editors, DAWs and CD burning software, without uploading anything.
Runs in your browser — files never leave your device.
How it works
Some editors, samplers and burning tools only take WAV. Convert your MP3 here and bring it into whatever needs it. Be ready for a much bigger file, and know that the sound will not magically get better.
- 1
Select your MP3 file.
- 2
Choose WAV as the output format.
- 3
Click Convert and download the WAV.
Why people need WAV
WAV stores audio as plain, uncompressed samples, so it is the format that editors, DAWs, samplers, video editors and many hardware devices handle most reliably. It also avoids adding another round of lossy compression every time you save an edit, which MP3 does. If you plan to cut, layer, or process audio, working in WAV is the cleaner path.
Size and quality: what to expect
An MP3 at 192 kbps is about 1.4 MB per minute, while a stereo WAV at 44.1 kHz and 16-bit is about 10 MB per minute, so expect a file roughly seven times bigger. A 4-minute song becomes about 40 MB.
Converting to WAV does not bring back detail the MP3 lost. It simply stores the decoded sound in a format that will not lose more. The only gain is future-proofing for editing and exporting.
Standard WAV files top out at 4 GB, which is about six hours of CD-quality stereo, so this is rarely a problem in a browser.
Limits
Because the output is large, keep the MP3 within a reasonable size: up to a few hundred MB on desktop and less on phones.
Frequently asked questions
Does converting MP3 to WAV improve quality?
No. The WAV holds the same sound as the MP3, just uncompressed. It cannot restore detail that was removed when the MP3 was made.
Why is the WAV so much bigger?
WAV is uncompressed. A stereo CD-quality WAV is about 10 MB per minute, versus about 1.4 MB per minute for a 192 kbps MP3.
Which programs need WAV?
Many audio editors, DAWs, samplers and CD-burning tools prefer or require it, though most editors can also open MP3.
Is my audio uploaded?
No. The conversion runs locally in your browser.
Can I do it on my phone?
Yes, but the WAV will be big, so keep the source short and mind your phone's free storage.