MP3 is already lossy, so WAV won't restore any lost detail — but you get uncompressed PCM that drops straight into any editor or DAW. Expect a much larger file.
About MP3
The most popular lossy format
MP3 is a lossy audio format that greatly reduces file size while keeping near-CD perceived quality. It is supported by virtually every device and player, making it the top choice for sharing.
- Small file size, easy to share
- Universally supported by devices
- Lossy compression cannot restore lost audio
About WAV
Uncompressed lossless format
WAV typically stores audio as uncompressed PCM, preserving the exact original signal. It is ideal for editing and professional use, but produces large files.
- Lossless and uncompressed
- Simple structure, easy to edit
- Large file size, not ideal for streaming
MP3 to WAV FAQ
Will converting MP3 to WAV lose quality?
MP3 is already a lossy format, so converting to lossless WAV introduces no additional quality loss — existing compression artifacts remain but nothing new is degraded.
Will the file size change after conversion?
Converting to a lossless format (WAV) usually increases size, while converting to a lossy format (MP3, AAC) usually decreases it, depending on the chosen bitrate and sample rate.
How do I batch convert MP3 to WAV?
Just drop multiple MP3 files in; they are converted to WAV one by one via a queue. You can download them individually or as a single ZIP.