MP3 to WAV converter
Convert MP3 to WAV in seconds, free and unlimited. No upload, no sign-up, no watermark: your audio never leaves your device.
Last updated
Quick answer: To convert MP3 to WAV, add the MP3 file to the iHateFiles MP3 to WAV converter and press Convert. The conversion runs in your browser, so the file is never uploaded, and it is free with no sign-up, watermark or size limit. A lossless target, so nothing is thrown away in this step.
Why WAV will not sound better
An MP3 has already had some of its sound removed, and converting to WAV does not put that back. What you get is the same sound in a file about ten times the size.
That is still the right move when an editor, a DJ tool, a phone system or a video project needs WAV, and it stops the audio being compressed again at the next save.
Should you convert MP3 to WAV?
Do this when an editor, DAW or device needs WAV. It will not make the MP3 sound any better, and the file grows several times over.
WAV will not restore what MP3 removed
WAV stores every sample exactly, including the damage MP3 compression already did. Expect about 10 MB per minute instead of 1 to 2.4 MB, for audio that sounds identical. Do it because an editor or device needs WAV, not to improve the sound.
Track details may not follow
MP3 carries artist, album and cover art tags well. WAV has little or no room for them, so a music library that relies on tags may show the WAV as an untitled file.
Where the WAV will play
WAV plays on every editor, DAW and operating system.
MP3 and WAV side by side
| MP3 | WAV | |
|---|---|---|
| Inside the file | MPEG-1 Layer III | uncompressed PCM |
| Compression | Lossy | Lossless |
| Carries sound | Yes | Yes |
| One minute of stereo | 1 to 2.4 MB | about 10 MB |
| Plays on | everything, including car stereos and hardware twenty years old | every editor, DAW and operating system |
| Here | Read and write | Read and write |
What usually goes wrong
About the MP3. Converting an MP3 to another lossy format compounds the damage, because the second encoder is guessing at audio the first one already threw away.
About the WAV. Converting an MP3 to WAV makes the file ten times larger without recovering anything. The detail the MP3 discarded is gone.
How to convert MP3 to WAV
- Add your MP3 file. It is read from your disk and stays there.
- Check the settings. The output format is already set to WAV.
- Press convert and the WAV file is saved back to your device.
WAV converter: everything that converts to WAV
Questions
How do I convert MP3 to WAV?
Open this page, add your MP3 file, and press convert. The file is decoded and re-encoded by your own browser and saved back to your device. Nothing is uploaded.
Is this MP3 to WAV converter free?
Yes, completely. There is no account, no sign-in, no watermark and no daily limit, because there is no server doing the work. Your own device does it.
Are my files uploaded anywhere?
No. There is no upload endpoint. The conversion runs inside this browser tab, so your file never leaves your device. You can open your browser's network panel and watch: nothing carrying your file is sent.
Is there a file size limit?
No fixed limit. Because the work happens on your machine there is no server quota. The only ceiling is your own device's memory, which for video means very large files may be slow.
Will converting to WAV lose quality?
WAV is lossless, so this step throws nothing away. If the original was already a lossy format, the damage it did cannot be undone, but nothing further is lost.
Can I convert several MP3 files at once?
Yes. Add as many as you like and they are converted one after another, then offered as a single ZIP.