Online Audio Speed & BPM Changer

Easily adjust the playback tempo of your songs, podcasts, and recordings. Speed up audio tracks to save time, or slow them down to transcribe speech or practice playing an instrument.

Our professional-grade tool features a Pitch Lock switch, allowing you to alter the speed without affecting the original musical pitch or vocal tone (avoiding the chipmunk effect).

How to use this tool

Upload your song or audio file (MP3, WAV, M4A, FLAC).
Use the speed slider to increase or decrease the BPM/tempo as desired.
Toggle Pitch Hold on or off to preserve or change the original pitch, then download.

Key Advantages

Real-time speed scaling with high-quality audio rendering.
Optional Pitch Hold (time-stretching) to avoid frequency distortion.
Precise tempo adjustment range (from 0.5x to 2.5x).
Completely local processing in-browser ensuring absolute file privacy.

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