Free Developer Tool
MP3 To WAV Converter
Upload an MP3 file and convert it into an uncompressed WAV file instantly using the Web Audio API and AudioContext decoding. Customize sample rate, bit depth, and channel layout. No uploads to any server, completely private.
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Drop an MP3 file here or click to browse
Decoding happens entirely in your browser using AudioContext
Standard quality, half the file size of 32-bit
Upload an MP3 file below to decode it locally using the Web Audio API.Waiting
Upload an MP3 file above to see decoded audio details here.
How to use the MP3 to WAV Converter
Drag and drop an MP3 file onto the upload area, or click it to browse your device
The file is decoded locally using the Web Audio API and AudioContext, so the raw audio data never leaves your browser
Choose a sample rate or keep the source rate to preserve the original audio fidelity
Select a bit depth: 16-bit for standard quality, 24-bit for studio quality, or 32-bit float for maximum precision
Choose Mono or Stereo output, or keep the source channel layout unchanged
Click Convert to WAV to resample and encode the audio into an uncompressed PCM WAV file
Use the File Details tab to compare source and target audio properties side by side
Preview the converted file in the built-in audio player before downloading it
Click Download WAV to save the converted file directly to your device
WAV files are uncompressed, so the output will be noticeably larger than the original MP3
All decoding and encoding happens locally using the Web Audio API. Your audio file is never uploaded to any server
