Online key, pitch & tempo change | Free, web based service | Song Surgeon

Step 1:

Select a File

Choose a File

Acceptable formats: mp3, .wav, m4a, wma, flac (16 Mb or smaller)

Step 2:

Adjust

Pitch or Key Change

0

Pitch changes are expressed in semi-tones (1/2 steps) such as 1, 2, -1, etc, or cents (.01)

Tempo Change

100

Tempo changes are expressed as percentage % of the original

Step 3:

Process

Please select output extension:

Process my Changes

Key and Tempo change