Convert MP3 to WAV
Turns MP3s into standard 16-bit WAV files that every editor and DAW can open.
- 100% in your browser
- No upload
- No sign-up needed
- No watermark
Quick answer
To convert MP3 to WAV, drop your .mp3 file above and press Convert. The audio is decoded to uncompressed WAV, which editors, DAWs and older devices can open without problems. Converting cannot bring back detail the MP3 already lost, but it adds no further loss. Nothing is uploaded.
How to convert MP3 to WAV
- Add your MP3
Drop an MP3 or other audio file on the box above. It stays on your device. - Convert to WAV
The sound is decoded and saved as 16-bit PCM WAV at the original sample rate. - Download the WAV
WAV is uncompressed, so the file will be about 10 times larger than the MP3.
Features
- No uploadProcessing happens on your device with WebCodecs, so even large files stay private.
- No sign-up needed, no watermarkUse every tool as often as you like. Your output is clean.
- Hardware acceleratedUses your device’s video encoder when available, so most jobs finish in seconds.
- Works on phone and desktopRuns in Chrome, Edge, Safari and Firefox on iPhone, Android, Windows and Mac.
Why convert MP3 to WAV?
MP3 is great for listening, but many tools expect WAV. Audio editors and DAWs often work best with uncompressed WAV. DJ software, samplers, drum machines, game engines, phone systems, video editing apps and some hardware players only accept WAV, or play MP3s with a small delay at the start. Converting MP3 to WAV gives you a plain, uncompressed audio file that every program can open instantly and that will not lose any more quality when you edit and save it again.
What this MP3 to WAV converter produces
The tool decodes your MP3 and writes a standard 16-bit PCM WAV, the same format used on audio CDs. The sample rate and channels of the original are kept, so a 44.1 kHz stereo MP3 becomes a 44.1 kHz stereo WAV. The length and timing stay exactly the same, which matters when you line audio up with video or beats. The file works in Audacity, GarageBand, Logic, Ableton, FL Studio, Premiere, DaVinci Resolve, Windows Media Player, VLC and almost any other app.
Expect the WAV to be much bigger than the MP3, usually about 10 times. A 4 MB song becomes roughly 40 MB. That is normal, because WAV stores every sample without compression.
Will converting MP3 to WAV improve the quality?
No, and it is worth knowing why. MP3 removes some audio detail when it is created. Converting to WAV stores what is left in an uncompressed form, but it cannot bring the removed detail back. The WAV will sound the same as the MP3. What you gain is compatibility, and protection from further loss: if you edit a WAV and save it, nothing more is thrown away, while saving an MP3 again compresses it a second time. If you have the original recording or a lossless file such as FLAC, convert that instead for the best result.
Convert MP3 to WAV without uploading
With VideoToolsFlow the conversion happens inside your browser. Your MP3 is read and decoded on your own device and the WAV is saved straight to your downloads. Nothing is uploaded, so there is no waiting for a server, no file size cap set by someone else, and no copy of your audio left online. That makes it a good fit for unreleased tracks, voice recordings and client work. It is free to use as often as you like, with no sign-up and no watermark.
How to convert MP3 to WAV
- Drop an MP3 file on the box above, or tap to choose one. M4A, OGG and FLAC files work too, and so do videos if you want their soundtrack as a WAV.
- Press Convert. Most songs are done in a second or two.
- Download the WAV file. It keeps the original name with a .wav extension.
It works on Windows, Mac, Chromebook, Android and iPhone in any modern browser.
Common uses for WAV files
- Music production: import samples, loops and reference tracks into a DAW without decoding delays.
- DJing: some controllers and older CDJs read WAV more reliably than MP3.
- Video editing: WAV keeps audio in perfect sync and avoids re-encoding a compressed file twice.
- Phone systems and IVR: hold music and greetings often have to be WAV.
- Games and apps: many engines prefer WAV for short sound effects.
Tips for the best result
Start from the best source you have. If you bought or downloaded a track, check whether a lossless version such as FLAC or WAV is available, and convert that rather than the MP3. If you only have the MP3, choose the highest bitrate copy, ideally 256 or 320 kbps. Before importing into a project, check the sample rate your DAW session uses. If it differs from the WAV, most editors convert it automatically when you import.
Related audio tools
To make a file smaller again, use the WAV to MP3 converter. You can trim the WAV with the audio cutter, make it louder with the volume booster, or convert between any formats with the audio converter.
Frequently asked questions
Does MP3 to WAV improve sound quality?
No. The WAV sounds the same as the MP3, because detail removed when the MP3 was made cannot be restored. You gain compatibility and avoid further loss when editing.
Why is the WAV file so much bigger?
WAV is uncompressed, so it stores every sample. It is usually about 10 times larger than the MP3.
What WAV format do I get?
A standard 16-bit PCM WAV with the same sample rate and channels as your MP3, which works in every editor and player.
Can I convert a video to WAV?
Yes. Drop an MP4 or other video and its soundtrack is saved as a WAV file.
Are my files uploaded?
No. Everything runs in your browser and the audio never leaves your device.
Is the MP3 to WAV converter free?
Yes. It is free with no sign-up needed, no limits and no watermark.