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Voice Changer

6 voice effects: Robot, Chipmunk, Echo and more

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ボイスチェンジャー

音声ファイルをドラッグ&ドロップ

About Voice Changer

Voice Changer is a high-quality voice effect editor powered by the Web Audio API OfflineAudioContext. Choose from 6 preset effects (Robot with distortion, Chipmunk with high-speed pitch, Deep with low-speed pitch, Echo with delay + reverb, Telephone with bandpass filter, and Slow Motion with ultra-low pitch), and fine-tune the results using sliders for pitch, reverb, and delay parameters. Supports major audio formats including MP3, WAV, M4A, OGG, and FLAC, with output as MP3.

All processing happens in your browser — your audio data is never sent to a server, protecting your privacy completely. Real-time preview lets you hear the effect before downloading. No installation required; simply drag and drop your file to get started.

How to use Voice Changer

  1. Upload your audio file (MP3, WAV, M4A, etc.) by dragging and dropping or clicking to browse.
  2. Select your desired effect from the 6 effect cards: Robot, Chipmunk, Deep, Echo, Telephone, or Slow Motion.
  3. (Optional) Use the pitch, reverb, and delay sliders to customize the effect intensity.
  4. Click the Preview button to listen to the effect in real time.
  5. Click the Apply Effect & Download button to download an MP3 file with the selected voice effect applied.

Benefits of Voice Changer

  • 6 professional-quality voice effects — Robot, Chipmunk, Deep, Echo, Telephone, and Slow Motion presets enable diverse voice transformations.
  • Customize with parameter sliders — Fine-tune pitch, reverb, and delay to create unlimited variations beyond the presets.
  • Real-time preview for instant confirmation — Listen to the effect before downloading to ensure the result matches your expectations.
  • Safe and fast browser-based processing — Files are never uploaded to a server; all processing happens locally for complete privacy protection.
  • No installation required, easy to use — Simply drag and drop your file, select an effect, and click to convert. Anyone can start using it immediately.

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