Please note this tool uses the very latest web technologies so is currently only compatible with the newest releases of Chrome, Safari and Firefox. (Please note that these headings are only visible if the 'save output to downloadable file' checkbox is ticked.) The Status log shows the current status of recording. The app allows you to change Pitch and Speed of the audio independently by simply adjusting Song Key and BPM sliders.

Once the audio is paused, or reaches the end of the file, a downloadable file will appear at the bottom of the grey box under the 'Recordings' header. When this checkbox is ticked, every time the file is played, the output will be collected ready for saving. If you would like to save a pitch-shifted file, please tick the 'save output to downloadable file' checkbox. However, if you do want the track to slow down, simply uncheck the 'maintain tempo' option. If you are looking for a way to change tempo without affecting pitch, please try our time stretcher tool.Ĭlicking the play button will then commence playback, and the pitch can be altered either by inputting a number of semitones in the text box, or by using the slider.īy default, the tempo is set to remain at its original value, ie reducing the pitch will not slow down the audio file. To begin, click the 'choose file' button to select the audio file from your computer that you would like to pitch shift. You can also save pitch shifted files as an mp3. This free online pitch shifter tool allows you to change the pitch of audio files (mp3 or wav format), without affecting the tempo.

Mp3 key changer online