0.5x–3x · Corrected Pitch · Free · No Upload
Speed Up Audio Online — 1.5x, 2x, and 3x Without Changing the Voice
Speed up (or slow down) any audio with automatic pitch correction, right in your browser. Free and private.
Drop your file here or click to select
Processed in your browser — up to 300 MB. Nothing is uploaded.
100% local processing: your file never leaves your device.
Formatos suportados: Files .mp4 up to 300 MB — processed locally
Resultado em segundos
100% em português do Brasil
Privacidade garantida
Sem instalação
Como funciona
1
Upload the audio
Any common format (MP3, OGG, M4A, WAV...), up to 300 MB.
2
Choose the speed
From 0.5x (slower, for transcribing by ear) up to 3x (quick review). The pitch is corrected automatically — the voice stays natural.
3
Download the adjusted audio
The MP3 with the new speed is ready in seconds.
Perguntas frequentes
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