Convert MP3 to WAV
Convert MP3 files to WAV — free, private, and instant. Runs entirely in your browser, no files are uploaded.
Drop your MP3 files to convert them instantly to WAV. No uploads — everything runs in your browser. Fast, private conversion with no sign-up, no watermarks, and no file size limits. Save the planet while doing it!
Drop files here or click to browse
Supported formats: MP4, M4A, WAV, OGG, FLAC, WebM, MP3
No data transfer — all data stays on your device!
About the WAV Format
WAV (Waveform Audio File Format) is an uncompressed audio format developed by Microsoft and IBM. WAV files store raw PCM audio data, preserving every detail of the original recording with zero quality loss. While WAV files are significantly larger than compressed formats like MP3 or OGG, they are the standard for audio editing, professional music production, and any workflow where lossless quality is essential. WAV is universally supported across all operating systems, audio editors, and media players.
Features
Near-Zero CO₂
Server-based converters upload your file, process it remotely, and send it back — consuming network and data-centre energy on every request. WebConverter runs entirely on your device, so the only energy used is your local CPU. No data transfer, no server electricity.
Install for Offline Use
WebConverter works offline as a Progressive Web App. Click "Add to Home Screen" on mobile or the install button in your browser's address bar. Once installed, you can convert files without any internet connection.