HitJam is a set of free instruments that run in your browser: a concert grand, a recorded drum kit, an 808 pad sampler, trumpet, strings, xylophone and synths. Play with your laptop keys or plug in any MIDI keyboard. No download, no account needed.
PitchChanger.io is a free, browser-based audio pitch shifting tool for musicians, DJs, teachers, and content creators. Users upload audio files (MP3, WAV, FLAC, M4A, AAC) and adjust pitch ±12 semitones in real-time without changing speed. All processing happens client-side for privacy and speed.
