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  • Online Key and BPM Finder
    Plus BPM & Key Change

    Key & BPM Finder and Changer
    Step 1:
    Select a File

    Acceptable formats: mp3, .wav, m4a, wma, flac (60 Mb or smaller)

    Step 2:
    Key/BPM Results

    Because the Time Signature (e.g. 4/4 or 7/8) of the uploaded file is not know the bpm detected may be half or twice the reported value depending upon whether a quarter or eighth note is counted as a beat.

    Step 3:
    Pitch or Key Change

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

    Tempo Change

    Tempo changes are expressed as percentage % of the original

    Play Original File
    Preview Changes
    Step 4: