MP3 to WAV Converter
Expand MP3 files to uncompressed WAV for editing, mixing, or mastering.
Fast, secure, and free. No installs. No watermarks.
Click or drag files to upload
Maximum 10 files, 50MB per file. Supports audio, video, and Kugou encrypted formats.
Rated 4.8 out of 5 based on 850+ reviews
Format Guide: MP3 vs WAV
MP3 - MPEG-1 Audio Layer 3
MP3 is a compressed audio format designed to reduce file size while keeping good playback quality. It is one of the most compatible audio formats across phones, browsers, cars, smart TVs, and music players.
Best for:
- Everyday playback
- Sharing and streaming
- Storage-efficient music libraries
WAV - Waveform Audio Format
WAV is an audio format associated with Microsoft Windows and is widely supported across operating systems. WAV files are usually larger than MP3 because they store uncompressed audio, making them common for audio CDs and high-quality editing workflows.
Best for:
- Studio recording and mastering
- Archival copies
- Lossless intermediate workflow
Why Convert MP3 to WAV?
- Get uncompressed audio for DAW editing and mastering
- Preserve compatibility with studio hardware and software
- Maintain exact length and timing for video sync
- No re-encoding artifacts beyond the original MP3 source
Frequently Asked Questions
Does WAV improve MP3 quality?
It cannot restore lost data, but it provides an uncompressed container that edits cleanly in DAWs.
What bitrate should I pick?
Use 44.1kHz / 16-bit stereo (default) for music; 48kHz for video workflows.
Is this free to use?
Yes. Unlimited conversions, no watermarks, auto-deletion after processing.