Does changing speed affect pitch?

Without pitch correction, faster = higher pitch. Our tool can preserve original pitch while changing speed.

What's a good speed for podcasts?

1.25x-1.5x is comfortable for most people. 2x takes practice. Start slower and work up as your brain adjusts.

Musicians slow down difficult passages to practice at a manageable tempo, then gradually increase speed as they improve.

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Audio Speed Changer

Speed up or slow down audio playback

Upload Audio

About

Change playback speed in real-time
Pitch is preserved (no chipmunk effect)
Supports speeds from 0.25x to 3x

About Audio Speed Changer

What is Audio Speed Changer?

Adjust audio playback speed while optionally preserving pitch. Speed up podcasts and lectures for faster listening, or slow down music to practice difficult passages.

Features & Benefits

Speed up audio (up to 2x+)
Slow down audio
Pitch preservation option
Real-time preview
Multiple formats supported
Process locally

Frequently Asked Questions

Does changing speed affect pitch?: Without pitch correction, faster = higher pitch. Our tool can preserve original pitch while changing speed.
What's a good speed for podcasts?: 1.25x-1.5x is comfortable for most people. 2x takes practice. Start slower and work up as your brain adjusts.
Why slow down music?: Musicians slow down difficult passages to practice at a manageable tempo, then gradually increase speed as they improve.

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How-To Guides

How to Change Audio Speed

100% Private & Secure

This tool runs entirely in your browser. Your files and data never leave your device and are not uploaded to any server.