Gratuito Audio Extractor
Extract the audio track from any video as MP3, M4A, AAC, or lossless WAV. No upload — everything is processed locally in your browser.
Arraste arquivos aqui ou clique para procurar
MP4, WebM, MOV, AVI, Audio sem limite de tamanho de arquivo
Seus arquivos nunca saem do seu dispositivo. Todo o processamento acontece localmente no seu navegador.
Optimize for your platform
Como funciona
Pulling the audio track out of a video normally means an upload to some conversion site. Here the real FFmpeg encoder runs in your browser, so the video never leaves your device.
- 1FFmpeg.wasm loads onceThe WebAssembly build of FFmpeg (~30 MB) downloads on first use and is then cached for instant reuse.
- 2You choose a format and bitrateYour file is loaded into FFmpeg's in-memory filesystem. The video stream is dropped (-vn) and only the audio is kept.
- 3FFmpeg re-encodes the audioMP3 (libmp3lame), AAC, or lossless WAV (PCM) — the same encoders used by desktop FFmpeg, running locally on your CPU.
- 4The audio file is offered for downloadThe result is handed back as a downloadable blob and can be previewed with the built-in player.
No upload, no queue, no file-size cap. Your video and its audio stay entirely on your device — safe for interviews, lectures, music, or any private recording.
Por que usar o nosso?
Ferramentas relacionadas
Conversor de unidades
Converta entre unidades de comprimento, peso, temperatura, área, volume e mais.
URL Codificador e decodificador
Codifique e decodifique URLs e strings de consulta. Suporta encodeURIComponent, decodeURIComponent e análise de strings de consulta.
Compressor de vídeo
Comprima arquivos de vídeo para reduzir seu tamanho. Escolha qualidade, resolução e formato de saída. Todo o processamento é local.
