Pitch Shifter
Free Online Pitch Shifter — Change Song Key & Transpose Audio
Upload a song, shift the pitch up or down, preview the result, and export your edited audio as MP3 or WAV. No signup required. This pitch shifter online runs in your browser.
Upload Audio
Drag and drop your audio here, or click to browse. Supports MP3, WAV, FLAC, OGG, and M4A.
How to Change Audio Pitch Online
Upload your audio file
Choose an MP3, WAV, FLAC, or OGG file from your device.
Choose the pitch shift
Move the pitch control up or down in semitones to raise or lower the song key.
Preview the result
Listen before exporting so you can check if the vocals and instruments still sound natural.
Download your edited audio
Export your pitch-shifted track as MP3 or WAV.
Best Pitch Shift Settings
| Use Case | Pitch Shift | Notes |
|---|---|---|
| Lower vocals slightly | -1 to -3 semitones | Useful for deeper vocals, darker edits, and slowed reverb style tracks. |
| Raise vocals slightly | +1 to +3 semitones | Useful for brighter vocals, pop edits, and matching a singer's range. |
| Nightcore-style edit | +3 to +6 semitones | Pair with faster speed for a classic high-pitched nightcore sound. |
| One octave lower | -12 semitones | Creates a much deeper version of the track; may sound unnatural on some vocals. |
| One octave higher | +12 semitones | Creates a very high-pitched version; use carefully to avoid harsh audio. |
Small pitch changes usually sound more natural. Large shifts can create artifacts, especially on vocals or complex mixes.
Semitone Frequency Reference
| Note | Frequency (Hz) | Common Use |
|---|---|---|
| C4 | 261.63 | Middle C — vocal reference |
| A4 | 440.00 | Standard tuning pitch |
| C5 | 523.25 | One octave above middle C |
| A5 | 880.00 | Higher vocal / instrument range |
Shifting pitch by +12 semitones doubles the frequency (one octave up). -12 semitones halves it (one octave down).
Why Use This Online Pitch Shifter?
Browser-based pitch editing
Change audio pitch without installing music software.
No signup required
Use the pitch shifter directly in your browser.
Semitone control
Raise or lower pitch in musical steps.
MP3 and WAV export
Download a shareable MP3 or WAV file.
Useful for music edits
Create deeper slowed edits, brighter nightcore-style edits, or transposed practice tracks.
Private processing
Your audio is processed in your browser instead of being uploaded to a server.
What Does Pitch Shifting Do?
Pitch shifting changes how high or low an audio file sounds. Raising the pitch makes vocals and instruments sound brighter or higher, while lowering the pitch makes them sound deeper. Musicians often use pitch shifting to change the key of a song, and creators use it for nightcore, slowed reverb, remixes, and social edits. Small pitch changes usually sound more natural. Large changes can create digital artifacts, especially on vocals, drums, or full mixes with many instruments. Previewing the edit before export helps you find a setting that fits the song without pushing the audio too far.
Pitch Shifting vs Speed Change
Pitch shifting changes the key or tone of the audio, so a voice or instrument sounds higher or lower. Speed changing changes how fast the audio plays. Some tools change speed and pitch together, and some tools can preserve speed while changing pitch. This pitch shifter uses varispeed, so pitch and speed move together: lower pitch slows the song, and higher pitch speeds it up. For slowed reverb, users often lower speed and sometimes lower pitch with the Slowed Reverb Generator. For nightcore, users often increase speed and raise pitch with the Nightcore Maker. To change speed directly, use the Audio Speed Changer. Pick the tool based on whether you want a key change, a tempo change, or both effects together.
More Free Audio Tools
Slowed Reverb Generator
Slow songs and add reverb online.
Audio Speed Changer
Slow down or speed up songs online.
Nightcore Maker
Make fast, high-pitched nightcore edits online.
Bass Booster
Increase low-end bass in songs and audio files.
Pitch & Bass Engineering Guide
Master pitch shifting, semitones, key changes, and audio transposition.
Pitch Shifter Online FAQ
What is a pitch shifter online?
A pitch shifter online is a browser tool that changes how high or low an audio file sounds. You can upload a song, shift it by semitones, preview the result, and download the edited file.
Can I change the pitch of an MP3 file?
Yes. You can upload an MP3 file and move the pitch up or down. The tool also accepts common input formats like WAV, FLAC, and OGG when your browser supports them.
How many semitones should I shift a song?
Small changes like -1 to -3 or +1 to +3 semitones usually sound more natural. Larger shifts such as +12 or -12 semitones create octave effects and can sound artificial on vocals or busy mixes.
Does pitch shifting change the song speed?
In this tool, yes. The pitch shift uses varispeed playback, so raising pitch makes the audio faster and lowering pitch makes it slower. Use the Audio Speed Changer if you want to work directly with speed.
What is the difference between pitch and key?
Pitch describes how high or low a sound is. Key describes the musical center of a song, and shifting pitch by semitones can move the song into a higher or lower key.
Can I use this pitch shifter for nightcore?
Yes. Raising the pitch by a few semitones can help create a brighter nightcore-style sound. For a stronger nightcore edit, pair pitch shifting with faster speed in the Nightcore Maker.
Can I use this pitch shifter for slowed reverb?
Yes. Lowering pitch can help make a song sound deeper for slowed reverb edits. You can also use the Slowed Reverb Generator to slow the song and add reverb after changing pitch.
Can I download the pitch-shifted song?
Yes. After previewing the result, you can download the pitch-shifted song as MP3 or WAV. Only edit or share audio you own or have permission to use.