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Top 5 MP3 Speed Changer Online

Liza Brown
Liza Brown
Originally published Feb 28, 22, updated May 20, 24

There are times when we come across audio file where the speed of the dialog or music is just not perfect. The modern audio players come with the option to change the speed of the audio files. However, such changes are temporary and it is quite tiresome to change the speed of an audio file again and again when you happen to play it quiet frequently. That is where an MP3 speed changer can be useful.

There are online tools available to change the speed, pitch, as well as tempo of MP3 audio file instantly. You do not have to install any software and you can perform the speed changing operation of your smartphone as well as computer. If you want to edit different audio file formats and other audio parameters, we have recommended a professional software as well. Check out the top 5 MP3 speed changer online platforms.

1. Audio Alter

Audio Alter is an online platform where you will find various tools for modifying audio files as per your requirements. Out of the vast audio tools, Audio Alter Tempo Changer is the tool you have to use to change the speed of your MP3 audio file. You can permanently change the speed of the audio file to play fast or slow as per your requirements. Apart from MP3 files, it supports WAV, FLAC, OGG file formats. Here are the key features of Audio Alter Tempo Changer.

  • Drag and drop audio file from anywhere.

  • Supports different audio file formats.

  • Listen to the audio after making changes to get desired results.

  • Preserve pitch while changing the speed.

  • Wide range of audio tools available for different modifications.

How to change MP3 tempo or speed with Audio Alter?

Step 1. You will have to visit “” on your web browser.

Step 2. To add your audio file, you will have to click on Browse computer. Additionally, you can even drag and drop the file if you want to.

Step 3. By using the slider, you can change the playback speed.

Step 4. You can check the checkbox to preserve the pitch.

Step 5. You will now have to click Submit button to process the file.

Step 6. Once the audio file is processed, you can download the file.

tempo changer

2. Conversion-Tool 

Conversion-Tool is an excellent MP3 pitch changer where you can adjust the speed of the audio as per requirement. You can upload a local file as well as provide the URL of an online audio line. Besides, you can open any audio file from DropBox and OneDrive if you want. There are various audio parameters you can change with Conversion-Tool Pitch tool. It is a great MP3 key changer as well. Here are the key features of the tool you should be aware of before using it.

  • Allows changing audio speed(tempo) and audio pitch.

  • Ability to convert MP3 files into m4a format.

  • Dual algorithm options for easy audio processing.

  • Speed changer option enables custom audio speed.

  • Different audio modification tools available.

How to change audio speed with Conversion-Tool?

Step 1. Begin by visiting in your browser.

Step 2. You will now have to upload the audio file by clicking on the 'Choose file' button.

 Step 3. You will have to pick the speed(tempo) and pitch values.

Step 4. Select the appropriate file format for the output.

Step 5. Select the processing algorithm and click on Start Conversion button.

Step 6. You can click on download to save the downloaded file.


conversion tool

3. Audio Speed Changer

This is a dedicated online tool for changing the speed and pitch of your audio file. You can upload local audio file, file from any website as well as file from OneDrive or DropBox. Thereafter, you can adjust the pitch and playback speed as per your preference. You can save the modified audio file in MP3 as well as M4A format. Moreover, there are different algorithms available for the proper processing of the changing audio file. Here are the key features of Audio Speed Changer.

  • Independently change the pitch and playback speed.

  • Choose time-based and frequency-based methods.

  • Save the audio file in MP3 or MA4 format.

  • Change tempo by percentage, pitch by semitones.

  • Simple interface enables hassle-free operation.

How to change audio speed with Audio Speed Changer?

Step 1. Start by visit “” from your web browser.

Step 2. You will have to upload the file by clicking on Choose File button. It also lets you directly upload the file via URL.

Step 3. You will now have to choose the pitch change and speed change accordingly.

Step 4. Select the appropriate output format according to your preference.

Step 5. Choose the processing method and click on Convert Now button.

Once completed, you can download the output audio file to your device storage.

audio speed changer

4. MP3 Cut

MP3 Cut is an online platform where you get a wide category of audio tools starting from MP3 pitch changer to MP3 volume changer. Here, we will be focusing on MP3 Cut’s Change Audio Speed tool. The tool supports MP3, FLAC, MP4, AIFF, as well as WAV audio files. It is one of the most secured platforms where your audio files will not be shared with any third party. The best part is that you can upload as large as 10GB audio files and there is also an extension available for Google Chrome users. Here are the key features of MP3 Cut Speed Changer.

  • Drag and drop audio files or select from your hard drive.

  • Select files from Google Drive or DropBox or provide the URL.

  • Ability to perform both pitch and speed change.

  • Customizable audio equalizer as per requirement.

  • Allows changing the audio file volume.

  • Option to choose different output file formats.

How to change audio speed with MP3 Cut?

Step 1. Visit from your web browser.

Step 2. Now you will have to upload the file by clicking on Open File button. Otherwise, you can even directly drop the file.

Step 3. Once the upload is complete, you will have to click on Speed which is on the upper left side.

Step 4. Using the speed slider, you can adjust the audio speed. You can play to check the changes.

Step 5. You will now have to choose the output format and click on Save button to download the file.

mp3 cut

5. Music Speed Changer

This MP3 pitch changer online tool has a modern user interface that makes changing the parameters visually appealing. You can playback the audio file after making the changes to ensure you get the desirable output. There is also an Android app available. You can upload and save only MP3 audio files. Here are the key features of Music Speed Changer.

  • Intuitive controls for easy operation.

  • Independently change pitch and tempo.

  • Mark specific sections for creating audio loops.

  • Live preview of the changes before saving.

How to change audio speed with Music Speed Changer?

Step 1. Go to the website on your browser.

Step 2. click on 'Choose Audio File' to upload your audio file.

Step 3. Once the upload is complete, you will have to use the sliders for changing the pitch and tempo accordingly.

Step 5. After making the changes, play the audio file and once you are satisfied, click on Save icon for downloading the output file.

music speed changer

Bonus: Change Audio Speed With A Professional Software

If you are a musician or podcaster who need to edit audio file starting from changing speed, adding effects to trimming certain parts and syncing with video, you will need a professional audio and video editor. We recommend Wondershare Filmora which comes with inbuilt audio and video editor. You can import and export all the different types of audio files and edit much more audio parameters than a regular online audio editor. Here are the steps to change audio speed with Filmora.

Try It Free

For Win 7 or later (64-bit)

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For macOS 10.12 or later

Step 1: Download and install Wondershare Filmora and open the application.

Step 2: Go to File> Import Media> Import Media Files option.

import media files

Step 3: Select the audio file and it will appear under Project Media. Drag and drop the audio file on audio timeline.

audio timeline

Step 4: Click on Speedometer icon on the timeline toolbar and select speed as per your requirements.

speedmeter icon

Step 5: You can also click on Custom Speed and make the adjustments accordingly.

custom speed

Step 6: Once you are satisfied with the changes, click on Export to save the audio file in your preferred file format.

Conclusion –

We have selected the best MP3 speed changer online. Different speed changers have different parameters that you can tweak without downloading any software. Therefore, you should go through every one of them to find out the best one for you and bookmark it. You can want to edit audio of your video, we recommend you opt for Wondershare Filmora where you can edit your audio file in detail.