Change Audio Speed
Speed up or slow down audio online without changing pitch. Perfect for podcast listening, music practice, language learning, and transcription work.
Free Online Audio Speed Controller
Change the playback speed of your audio files while preserving pitch quality. Perfect for podcast listeners, students, musicians, and anyone who wants to consume audio content more efficiently or learn at their own pace.
Easy Upload
Drag & drop or browse to upload MP3, WAV, OGG, or M4A files
Preserve Pitch
Change speed while maintaining natural pitch and audio quality
Multiple Formats
Export your speed-adjusted audio in MP3, WAV, or OGG formats
Upload Audio File
Drag and drop your audio file here, or click to browse. Supported formats: MP3, WAV, OGG, M4A
Audio Speed Control FAQ
What is audio speed control and when would I use it?
Audio speed control allows you to speed up or slow down audio playback without changing the pitch. It's perfect for listening to podcasts and audiobooks at faster speeds (1.25x, 1.5x, 2x), slowing down music for practice and learning difficult passages, adjusting speech speed for language learning, or creating time-compressed audio for transcription work.
Does changing the speed affect the pitch of the audio?
No! Our audio speed tool uses advanced pitch-preserving algorithms (FFmpeg's atempo filter) to maintain the natural pitch of voices and music while changing the playback speed. This means you can speed up a podcast to 1.5x without making voices sound like chipmunks, or slow down music to 0.75x without making it sound unnaturally deep.
Can I speed up audio more than 2x or slow it down below 0.5x?
The current tool supports speeds from 0.5x (half speed) to 2.0x (double speed), which covers the most common use cases. This range provides the best balance between speed adjustment and audio quality. For most listening and learning purposes, speeds within this range are optimal and maintain excellent audio quality.
Will the audio quality be affected by speed changes?
Our tool uses high-quality processing to minimize quality loss. Small to moderate speed changes (0.75x to 1.5x) typically have minimal noticeable impact on audio quality. More extreme changes may introduce slight artifacts, but the pitch preservation ensures voices and music still sound natural. We use high bitrate encoding to maintain the best possible quality.
How is this different from just adjusting playback speed in a media player?
While media players can adjust playback speed on the fly, our tool permanently applies the speed change to create a new audio file. This is useful when you need to share speed-adjusted audio with others, use it in video editing, or play it on devices that don't support variable speed playback. The processed file can be played at normal speed on any device.
What are the best speeds for different use cases?
For podcasts and audiobooks, 1.25x to 1.5x speeds up content without sacrificing comprehension. For language learning, 0.75x to 0.85x makes speech clearer. Musicians often use 0.5x to 0.75x for learning complex passages. For efficient content consumption, 1.5x to 2.0x works well for familiar content. Start with smaller adjustments and increase gradually to find your optimal speed.
How to Change Audio Speed
1Upload Your Audio File
Select the audio file you want to speed up or slow down from your device. Our tool supports various formats including MP3, WAV, OGG, and M4A.
2Adjust the Playback Speed
Use the speed slider to select your desired playback speed from 0.5x (half speed) to 2.0x (double speed). The tool preserves pitch quality automatically.
3Process and Download
Click the process button to apply the speed adjustment, then download your speed-modified audio file to your device.