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MP3 to WAV / WAV to MP3

Local audio conversion between MP3 and WAV directly in the browser without downloading to the server.

🔒 Processed entirely in your browser — nothing you enter here is ever uploaded.

The result appears on this page after you run the tool. Nothing you enter is uploaded.

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Drag & Drop Audio Here

Choose or drop multiple audio files. The same settings apply to every file.

Order: trim edge silence below −60 dBFS → normalize each file → apply fades. Internal pauses remain. Entirely silent files keep their duration.

Advanced settings

MP3 uses LAME, at most two channels and 32, 44.1 or 48 kHz. Other source rates use the nearest supported rate. WAV bitrate follows sample rate × bit depth × channels.

Without trimming, duration is preserved to the nearest output sample. MP3 includes gapless timing metadata; players that ignore it may add encoder padding.

Processing... 0%
Loading audio file
Decoding audio buffer
Encoding target format
Preparing download

Result

About this tool

Are you familiar with the situation when you urgently need to convert audio for a podcast, presentation or video, but online converters require you to upload gigabyte files to some unknown servers, risking your privacy?

Our tool allows you to quickly and safely convert audio between MP3 and WAV completely anonymously. Since all operations take place directly on your device using modern browser APIs, your audio files are not transferred anywhere.

You can adjust the parameters before running, listen to the result before downloading and instantly save the finished file. Also available is the unusual ability to quickly export without file size limits.

Example. A WAV file encoded as MP3 at the 192 kbps setting downloads as an MP3 whose duration matches the decoded source.

Limit. MP3 sample rates are only 32000, 44100 and 48000 Hz, while WAV may also use 22050, 88200 or 96000 Hz, and VBR quality is an integer from 0 to 9.

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Category overview

Accepted Formats & Rules

  • Local audio decoding and processing
  • Immediate preview before download
  • Clear export flow for the final result