Mixtape

Join tracks with crossfades in time.

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How it works

Crossfades are equal-power: the level does not dip mid-transition.
BPM matching changes speed like a turntable (pitch too), up to ±15%.
For harmonic mixing, put tracks in compatible keys next to each other (same key or a fifth apart).

Everything happens on this device: no file is uploaded and nothing leaves the browser.