Free is enough for most one-off jobs. Pro raises the file and batch caps; Pro + Media unlocks GB-scale streaming and unlimited duration.
Larger files supported on Developer (5 GB CSV) and Enterprise (unlimited). All processing happens in your browser — files never reach a server.
Drop your MP3
Choose 16-bit or 24-bit PCM
Download the WAV file
0 bytes uploaded. MP3 to WAV Converter runs entirely in your browser using FFmpeg.wasm 8.1, RNNoise, and the Web Audio API. Your audio stays on your device at all times. No data is sent to any server — critical for sensitive interviews and confidential calls.
No — MP3 is lossy, so the audio data already lost during MP3 encoding can't be recovered. But you'll have an uncompressed file that won't degrade further during editing.
Encode WAV files to MP3 with selectable bitrate (64-320 kbps). LAME-quality encoding via FFmpeg 8.1 — locally.
Open toolWrap your MP3 audio in a FLAC container for archival. Note: this preserves what's in the MP3 — it can't recover lossy data.
Open toolPull uncompressed WAV PCM audio from any video file — for editing, transcription, or archival. 100% local, FFmpeg 8.1 engine.
Open tool