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Transition Finder

A free tool from the Momentvia team — drop in two tracks and it measures tempo, key and bars, finds the section where they sound most alike, and builds an on-beat transition you can preview and download for Premiere. Made primarily for DJs and couples putting together the music for their own celebration.

Everything is processed in your browser. Your tracks are never uploaded anywhere.
A
Outgoing track
—
B
Incoming track
—
The comparison appears once both tracks are loaded.

Similarity map

less → more similar

Track A runs horizontally, track B vertically. The bright diagonals are sections that sound alike beat by beat. Click anywhere to set your own point.

Best spots

Sorted by smoothness of transition

    Transition

    Overlap length
    Mode

    Each ZIP contains a WAV and instructions for Premiere.

    Premiere Pro instructions

    Load your tracks and you'll get exact cut times here.

    How it works: spectral analysis detects the beats and tempo, chroma reveals the key (Camelot), and every beat of track A is compared with every beat of track B for harmony, timbre, loudness and rhythm. Track B is time-stretched without changing pitch so its beats land exactly on track A's beats, and after the transition it returns to its own tempo over 4 bars.

    Capturing photos too, not just music?

    Momentvia opens the camera for guests when they scan a QR code, no app to install — every photo lands in the celebration's shared gallery.

    Discover Momentvia