About Audio Pitch Shifter & Speed Changer
Change the pitch and tempo of any audio file without uploading it to a server. Shift pitch from -12 to +12 semitones, adjust playback speed from 0.5x to 2.0x in real-time, and preview results with an interactive audio player.
Key Capabilities & Features
- Pitch shift from -12 to +12 semitones (-1200 to +1200 cents)
- Speed alteration from 0.5x to 2.0x playback rate
- Real-time Web Audio buffer manipulation
- Supports MP3, WAV, AAC, and OGG files
How to Use Audio Pitch Shifter & Speed Changer
1
Upload Audio
Select an audio track from your device.
2
Adjust Sliders
Modify the pitch semitones and playback speed.
3
Play & Listen
Click Play to listen to your altered track in real-time.
Privacy & In-Browser Execution Guarantee
Audio processing runs strictly in local browser memory.
Frequently Asked Questions
How many cents are in a musical semitone?
One semitone equals 100 cents. An entire octave consists of 12 semitones or 1,200 cents.
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