PitchChanger.io – Real-time browser-based audio pitch shifting

Summary: PitchChanger.io is a free browser tool that lets users upload audio files and adjust pitch up to ±12 semitones in real-time without altering speed. Processing occurs client-side to ensure privacy and fast performance.

What it does

It allows users to upload various audio formats and shift their pitch in real-time while maintaining the original playback speed, with all processing done locally in the browser.

Who it's for

Musicians, DJs, teachers, and content creators needing to pitch shift audio files.

Why it matters

It provides a quick, private way to modify audio pitch without affecting speed or requiring server-side processing.