Change Audio Speed

Speed up or slow down audio playback from 0.5x to 2.0x without pitch distortion.

Processing Architecture: Client-Side (Processed locally in your web browser with zero server uploads)

How to Use Change Audio Speed

  1. Step 1: Upload Audio

    Select the audio track you want to adjust.

  2. Step 2: Set Speed Multiplier

    Choose 0.5x, 0.75x, 1.25x, 1.5x, or 2.0x.

  3. Step 3: Download Speed-Adjusted Track

    Download your modified audio track.

Key Features & Capabilities

  • Time-stretching algorithm preserves natural voice pitch
  • Speed presets: 0.5x (half speed), 1.25x, 1.5x, 2.0x (double speed)
  • Live interactive preview before saving

Specifications & Limits

  • Supported Formats: .mp3, .wav, .ogg, .m4a
  • Max File Size: 50 MB
  • Batch Processing: Single Item
  • Free Tier Limit: Speed adjustments from 0.5x to 2.0x

Frequently Asked Questions

Will my voice sound like a chipmunk when sped up?

No! The time-stretching engine maintains your natural vocal pitch at all playback speeds.

What audio formats can I adjust speed for?

MP3, WAV, M4A, and OGG formats are all supported for tempo adjustment.

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