audioservices.app

Small, sharp tools for people who make music.

Choose the tool you need. Everything runs in the browser — no installs, no accounts.

Track Analyzer

BPM, key & structure from a YouTube link

Paste a link and get tempo, musical key, genre, mood, an energy read and a section-by-section map of the arrangement — plus an inline preview player.

Analyze a song

Song Seed

Randomized starting points for electronic tracks

Beat writer's block with a generated brief: genre, key, tempo, mood, structure and energy curve. Lock what you like, reroll the rest, export MIDI.

Roll a seed

Multi-track Compare

Synced waveforms & section maps

Drop several audio files and line them up on one shared playhead with section-colored waveforms, per-track solo and instant tempo/key readouts.

Compare tracks