Audio Converter

Convert audio

Switch between WAV and MP3 without uploading a single byte. Hi-res sources are snapped to MP3-safe sample rates.

Runs in your browser. Your audio stays on this device — nothing is uploaded to BrowserSpaces for processing.

WAV or MP3

Lossless PCM or lossy MPEG.

From video

Decode the audio track via Web Audio.

Bitrate control

Pick MP3 quality before encode.

Size compare

See before/after sizes after export.

Use the tool

Audio or video

No file selected.

MP3, WAV, M4A, OGG, FLAC, or video with audio.

How it works

Local decode and encode

Media is decoded to PCM, then written as WAV or MP3 (via lamejs). Nothing is sent to a server.

Three steps