Convert your .mp3 files to .wav format online. No software to install.
Pro plan required (from €4.99 / $4.99/month).
Drag and drop your .mp3 file or click to browse.
Select WAV as your output format.
Click Convert and download your .wav file.
Some audio editing software, DJ applications, and hardware systems require WAV input. Converting MP3 to WAV creates an uncompressed file compatible with these tools. Important: this does not improve audio quality — the WAV file contains the same audio data as the MP3, just in an uncompressed container.
MP3 (MPEG Audio Layer III, introduced in 1993) uses Lossy (psychoacoustic model + MDCT) compression. WAV (Waveform Audio File Format, introduced in 1991) uses None (raw PCM) or optional IEEE float compression. MP3 browser support: Universal. WAV browser support: Universal.
Converting MP3 to WAV does NOT restore audio quality lost during MP3 compression. The resulting WAV file sounds identical to the MP3 — it is simply stored in an uncompressed format. The file will be roughly 10x larger without any quality improvement. This conversion is useful only for compatibility, not quality enhancement.
Typical MP3 file size: A 4-minute song at 192 kbps: ~5.5 MB; at 320 kbps: ~9.2 MB. Typical WAV file size: A 4-minute song at 44.1 kHz/16-bit stereo: ~40 MB. The WAV output will be larger than the MP3 input because lossless compression cannot match the compression ratios of lossy formats.
If you need the highest possible quality, always go back to the original lossless source rather than converting from MP3 to WAV. The MP3-to-WAV conversion is a one-way street — it makes the file bigger without making it sound better.
Pro plan required (from €4.99 / $4.99/month). No watermarks.
Create a free account in 10 seconds and start converting immediately. No credit card required.
Your file is sent over an encrypted connection to our provider CloudConvert, which converts it and deletes it after the conversion, within 24 hours at most. Details in our Privacy Policy.
Convert files from any device: desktop, tablet, or phone. No software to install, works in any modern browser.
SquishConvert supports over 358 file conversion combinations across images, documents, audio, and video.
Your converted .wav file maintains the best possible quality. No unnecessary compression or quality loss.
Audio conversion requires a Pro account. See pricing, from €4.99 / $4.99/month
No. Audio conversions need a Pro plan (from €4.99 / $4.99/month), with 100 audio or 20 video conversions a month.
It depends on the file size and on the queue at our provider. Small files usually take a few seconds.
Your file is sent over an encrypted connection to our provider CloudConvert, which converts it and deletes it after the conversion, within 24 hours at most. Details in our Privacy Policy.
Free users can convert files up to 10 MB. Pro users can convert files up to 500 MB.