No need to download any additional software – an audio tempo changer is built up into our online tool. Slow down your music or increase mp3 speed choosing the tempo of your preference.

This app changes the song pitch and/or playback speed using one of the best pitch shifting algorithms. The musical key, scale, and bpm will be automatically detected.

The online audio speed changer tool changes the playback speed (tempo) and key (pitch) of music independently. The tool is ideal for changing the playback speed and/or key for song …

Change the tempo of your audio files without changing their pitch with this free online audio speed changer. Slow down songs to jam along and practice your instrument!

Adjust audio speed from 50-150% with our free online tool. Maintain quality while speeding up or slowing down any audio file. No installation needed.

This free online tool allows you to change speed without affecting the pitch. Make your song play faster or slower. Fast and easy. (MP3, WAV, FLAC, OGG)

Music Speed Changer online web app lets you change the speed and pitch of audio files on your phone tablet and desktop in real time without affecting the pitch (time stretch), or change the …

Our online tool allows you to easily adjust the speed of your music and audio files without leaving your web browser.

Professional audio speed changer that allows you to adjust audio playback speed from 0.25x to 4x using Web Audio API. Perfect for speeding up podcasts, slowing down music for learning, …

Our audio speed changer tool allows you to change the tempo of any music for free. No additional software is required, it is fast, simple and absolutely safe.