Audio / Music Speed Changer

Free Online Audio (Music, Sounds) Speed Changer

Use TunePocket Audio Speed Changer to change the speed of any audio file directly in your browser.

Upload your file, move the speed slider from 50% to 200%, preview the result with a waveform display, and export the processed audio as WAV or MP3.

No software to install. No complicated audio editing tools to learn.

How to Change Audio Speed / length Without Changing Pitch

By default, the tool preserves pitch while changing speed.

That means you can make a voice recording, podcast clip, music track, sound effect, or practice file faster or slower without making it sound artificially higher or lower.

You can also turn pitch preservation off when you want the pitch to change naturally with the speed, similar to speeding up or slowing down a record or tape.

Music Speed Changer For Practice, Editing, And Review

This free music speed changer is useful when you need to slow down a track for learning, speed up a demo for review, test different tempos for a video edit, or prepare audio for content creation.

Best results are usually achieved with moderate changes, but the tool supports a wide range from 50% to 200%.

Use WAV export for higher quality, or choose MP3 when you need a smaller file. MP3 export includes several quality options.

frequently asked questions

How To Use An Audio / Music Speed Changer Tool Online?

Open the TunePocket Audio Speed Changer in your browser, upload your audio file, and choose a preset or adjust the speed slider. Preview the result, then download it as WAV or MP3. Presets like Sped Up, Make it Nightcore, Slowed, and Practice Mode help you get started quickly. No audio editing software installation is required.

How To Speed Up Audio Without Changing Pitch?

Upload your file, enable Preserve Pitch, and move the speed slider above 100%. For voice recordings, try the Faster Speech preset. Preserve Pitch keeps the original musical pitch while changing the speed, although larger adjustments may introduce audible artifacts.

How To Make A Nightcore Version Of A Song?

Upload your song and select Make it Nightcore. This preset increases the speed and turns off pitch preservation, producing faster music with higher-pitched vocals. Preview the result and fine-tune the slider to suit your track, then export as WAV or MP3.

How To Make A Slowed Or Super Slowed Version Of A Song?

Choose Slowed for a gentler slowdown or Super Slowed for a stronger effect. Both presets let the pitch drop with the speed, creating a deeper sound. You can adjust the slider afterward or enable Preserve Pitch if you want slower playback without lowering the pitch. These presets do not add reverb.

Can I Change Audio Speed Without Losing Quality?

Speed changes can affect sound quality, particularly at extreme settings or when preserving pitch. For the cleanest results, start with a good-quality source file, make moderate adjustments, and preview before downloading. Choose WAV to avoid additional lossy compression during export, or MP3 for a smaller file. WAV export does not restore quality already lost in the source.

What Are The Benefits Of Listening To Audio At Faster Speeds?

Faster playback can help you review lectures, podcasts, interviews, and voice recordings more quickly. Try TunePocket’s Faster Speech preset to retain the original pitch, or Sped Up for a faster musical effect with raised pitch. Video editors can also experiment with faster pacing for music cues and narration.

What Are The Benefits Of Slowing Down Audio Tempo?

Slower playback can help musicians learn difficult passages, dancers rehearse timing, and creators review speech or sound effects more carefully. TunePocket’s Practice Mode slows the audio while preserving its pitch, making it useful for playing along in the original key. For a creative effect with deeper pitch, choose Slowed or Super Slowed instead.