MP3 to WAV
Convert MP3 to uncompressed WAV
Drop one or more audio files
🔒 Files never leave your device
How it works
- 1Upload your audio
Drop or select one or more files.
- 2Convert
Audio is decoded and re-encoded in your browser.
- 3Download
Get a single file or a ZIP for batches.
About MP3 to WAV
MP3 to WAV — free online audio converter that runs in your browser. Files never leave your device. MP3 to WAV on DashConvert runs entirely inside your browser using modern JavaScript APIs — no server ever sees your files. That means faster conversions, complete privacy, and no upload limits.
Whether you need to convert mp3 to uncompressed wav for work, study, or personal use, this tool is free to use as many times as you need. There are no watermarks, no sign-up, and no ads inside your documents.
Frequently asked questions
Are my audio files uploaded?
Never. Conversion happens 100% in your browser.
Is there a size limit?
Only your device's memory. Long tracks may take a while to encode.
Read more
How to cut an MP3 (for ringtones, podcast clips, and sample cuts)
Trimming an MP3 to a specific range should take 10 seconds. It usually doesn't because most tools re-encode and add fade artifacts. Here's how to cut cleanly.
How to convert MP4 to MP3 (extract audio from any video)
Podcasts you recorded to video, YouTube-style tutorials you want to listen to on a walk, interview footage you need transcribed — extracting audio is a five-second job in the browser.