1. Upload MP3
Choose an MP3 audio file from your computer or phone.
MP3 to WAV Converter Online
Convert MP3 audio to WAV directly in your browser. Your audio file is decoded on your device and the WAV download is created locally without server upload or storage.
Select MP3 file
Accepted files: MP3. Max 80 MB for smooth browser conversion.
No file selected
Accepted: MP3. Max 80 MB.
Duration-
Sample rate-
Channels-
Output size-
How to use
How to convert MP3 to WAV
Use this tool when you need an uncompressed WAV file for editing, production, transcription, or apps that do not accept MP3.
2. Convert locally
The browser decodes the audio and writes a WAV file in memory.
3. Download WAV
Save the converted WAV file to your device. The file is not stored by our server.
Privacy
Does MP3 to WAV upload my file?
No. This converter is designed for browser-side processing. The selected MP3 is read by JavaScript in your browser and the WAV file is generated locally.
Why WAV files are larger
WAV usually stores uncompressed PCM audio, so the output file can be much larger than the original MP3.
Best for editing
WAV is useful when an audio editor, video editor, or production workflow needs a simple uncompressed file.
MP3 to WAV FAQ
Can I convert MP3 to WAV free?
Yes. Choose an MP3 file, convert it in your browser, and download the WAV file.
Will the WAV file be bigger?
Usually yes. WAV output is commonly uncompressed, while MP3 is compressed.
Is my MP3 saved on the server?
No. The conversion runs in your browser and does not upload or save the MP3 file on the server.