Runs entirely in your browser. Files never leave your machine.
Drop audio files here or click to browse
m4a, aac, wav, ogg, flac, mp3 in. Anything your browser can play works.
MP3 encoding uses lamejs. Output sample rate matches the source file, which covers 44.1kHz and 48kHz files (the vast majority). Odd sample rates may fail to encode as MP3, use WAV instead in that case.