PitchPro: Backing Track Key

Change the key of any backing track and sing every song in your voice. PitchPro is an offline-first player built for singers and musicians who need fast, dependable key and tempo control on stage and in rehearsal. CHANGE KEY WITHOUT CHANGING SPEED • Transpose any backing track up or down in precise semitone steps. • Fit the song to your voice while the tempo stays exactly the same. • Reset to the original key with one tap. CHANGE SPEED WITHOUT CHANGING KEY • Slow a track from 0.5x to 1.5x to learn or rehearse. • The pitch stays locked so the key never drifts. SAVE EVERY SONG'S KEY IN SETLISTS • Build show-ready setlists in the exact order you perform. • Save pitch and tempo for each song, every time it appears. • Import local MP3, WAV and M4A files. BUILT FOR THE STAGE • Large controls, high contrast and a true-dark player. • Output-route checks before playback. • Works offline for the core player and library. FREE AND PREMIUM The free tier includes unlimited imports, speed control and key changes from -1 to +1 semitone. Premium unlocks the full -12 to +12 semitone range and unlimited setlists. Available plans and prices are always shown by your store. PitchPro does not provide a streaming music catalog. Use audio files that you own or are authorized to use.