Change Audio Speed Online
Easily speed up or slow down your songs and podcasts using our online editor. Change playback tempo directly in your browser, totally free.
Drag and drop your audio here
or click to browse files
Transform the temporal dynamics of your tracks without affecting their original pitch. The speed changing tool is essential for transcribers, DJs, and content creators. Speed up for quick reviews or slow down for technical beat analysis. Our time-stretching technology preserves timbre quality, letting you discover new rhythmic dimensions in MP3 and WAV formats with full professional control.
How to Change Playback Speed
Learn how to create sped-up audio (Fastcore) or slow down beats in three steps.
Choose the Audio
Drag and drop your MP3 or WAV file into the upload zone. Processing is immediate.
Adjust the Tempo
Use the speed controls to seamlessly increase (1.5x, 2x) or reduce (0.5x) track speed.
Export Your Design
Export your final file and listen to your tracks at a completely new speed.
Professional Editing Tools
Everything you need to create high-quality audio
Intuitive & Professional Interface
We designed a clean, modern, and direct experience that makes audio editing easy. With real-time waveform visualization, precise controls, and keyboard shortcuts, you don't need to be a sound engineer to get professional results.
100% Private - Local Processing
Your audio files never leave your computer. All processing happens locally in your browser using Web Audio API technology. Audio-Editor Online does not access, store, or send your data to any server.
Supports All Audio Formats
Compatible with the most popular audio formats: MP3, WAV, M4A, FLAC, OGG, AAC, and many others. Import files in any format and export in your preferred format.
Smart Crop
Crop tracks with millisecond precision using our visual waveform editor.
Volume Control
Normalize audio levels and amplify silent sections instantly.
Noise Reduction
Remove background noise for crisp, studio-quality vocals.
Security, Privacy & Complete Transparency
We take the security and privacy of your data extremely seriously. Learn about our commitment to you. At audio-editor.online, we process your audio directly in your browser. Your sensitive audio data never leaves your computer, ensuring total privacy and lightning-fast processing speeds.
No Upload Wait
Process gigabyte-sized files instantly without network delay.
100% Guaranteed Privacy
Your audio files are processed entirely in your browser using Web Audio API technology. No files are sent to our servers.
WASM-Powered Engine
Native browser performance
const audioCtx = new (window.AudioContext || window.webkitAudioContext)();
// Local Processing engaged
> Initializing WASM Core...
> Ready.
Speed Changing FAQ
Everything you need to know about altering audio tempo.
Does this alter the track's pitch?
Which formats can I export?
Does it cost anything to use?
Ready to mix your sound?
Join thousands of musicians, podcasters, and creators who use audio-editor.online for their daily audio editing needs.