Free is enough for most one-off jobs. Pro raises the file and batch caps; Pro + Media unlocks GB-scale streaming and unlimited duration.
Larger files supported on Developer (5 GB CSV) and Enterprise (unlimited). All processing happens in your browser — files never reach a server.
Drop your audio file
Set pitch shift in semitones (±24 range) or cents
Download — duration is preserved
0 bytes uploaded. Pitch Shifter runs entirely in your browser using FFmpeg.wasm 8.1, RNNoise, and the Web Audio API. Your audio stays on your device at all times. No data is sent to any server — critical for sensitive interviews and confidential calls.
±3 semitones sounds natural. Beyond ±6 the pitch-shifting artifacts become audible — useful for creative effects but not for transparent retuning.
Stretch or compress audio duration (0.5x-2x) while preserving original pitch. Perfect for matching video edits.
Open toolAdjust playback tempo by percentage. Like time-stretch but expressed as a tempo % — natural for musicians.
Open toolReverse audio for creative effects or hidden-message hunts. Sample-accurate reversal, browser-based.
Open tool