Speed up lectures, slow down music for practice, or adjust playback rate — all while preserving the original pitch.
Supports MP3, WAV, OGG, FLAC and more
4 simple steps to get started.
Select your audio file to adjust.
Choose your desired playback speed.
Listen to the speed-adjusted audio.
Download the modified audio file.
Everything you need to edit audio — right in your browser.
Trim and cut MP3 files to the exact length you need.
Merge multiple audio files into a single track seamlessly.
Convert between MP3, WAV, OGG, FLAC, and more formats.
Increase or decrease the volume of your audio files.
Speed up or slow down audio without changing the pitch.
Add smooth fade-in and fade-out effects to your tracks.
Record audio directly from your microphone in the browser.
Adjust bass, treble, and mid frequencies to fine-tune sound.
Reverse any audio file instantly for creative effects.
Create custom ringtones from any audio file you have.
Remove background noise and clean up your audio recordings.
Extract audio tracks from video files quickly and easily.
Shift the pitch of audio up or down without changing speed.
Reduce dynamic range for consistent, polished audio levels.
Remove vocals from songs to create karaoke or instrumental tracks.
Split audio files into multiple equal or custom segments.
Everything you need to know about speed changer.
Speed up lectures, slow down music for practice, or adjust playback rate — all while preserving the original pitch. No downloads, no sign-ups, and no file uploads to external servers. Everything runs locally in your browser using the Web Audio API, keeping your files completely private and secure.
Simply upload your audio file — MP3, WAV, OGG, FLAC, or M4A — and use our intuitive editor to make your changes. Upload audio, Set speed, Preview, Export. Once you're satisfied, export the result in your preferred format instantly.
Whether you're a podcaster, musician, content creator, or just someone who needs a quick audio edit, Speed Changer is built for you. It works on any device — desktop, tablet, or mobile — across all modern browsers including Chrome, Firefox, Safari, and Edge.
Everything you need to know about Speed Changer.