⏩ Audio Speed Changer

Slow down or speed up any audio file — adjust tempo without pitch change

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Coming Soon

Audio Speed Changer is currently under development. Meanwhile, try our existing tools:

✂️ Audio Trimmer 🔄 Converter 🔊 Text to Speech
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Adjustable Speed
0.25x to 4x speed with a simple slider control.
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Pitch Preservation
Change speed without making voices sound chipmunk-like.
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Download Result
Save the speed-adjusted audio as WAV file.
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100% Private
All processing in your browser. Files never leave your device.

Free Online Audio Speed Changer

Audio Speed Changer lets you adjust the playback speed of any audio file from 0.25x (4x slower) to 4x faster, with optional pitch preservation. Perfect for language learning, music practice, transcription work, and podcast listening.

Speed Change with Pitch Preservation

Normal speed change alters pitch — making things sound higher when sped up and lower when slowed down. This tool uses time-stretching algorithms to change speed while keeping the original pitch, so voices and music sound natural at any speed.

Common Use Cases

Language learning — slow down native speakers to catch every word. Music practice — slow down guitar solos or drum patterns to learn at your pace. Transcription — slow down recordings for accurate typing. Podcasts — speed up to 1.5-2x to listen faster.

While Audio Speed Changer is being built, try our Audio Trimmer, Audio Converter, Text to Speech, or Voice to Text.

Frequently Asked Questions

Can I change speed without pitch change?
Yes. The tool uses time-stretching to preserve original pitch while adjusting playback speed from 0.25x to 4x.
What formats are supported?
MP3, WAV, FLAC, OGG, AAC, M4A, WebM. Output is saved as WAV.
Is my audio uploaded?
No. Everything happens in your browser using Web Audio API.