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[Free] 5 Ways to Help You Compress MP3 on Your Devices

Jane Zhou updated on Dec 22, 2020 to Video Editing Tips | How-to Articles

MP3 is the most common format for storing audio. Almost any player on any platform can open mp3 files. Sometimes, when you find the MP3 file is too large, you may want to compress it to a smaller size. However, you can not do it with your bare hands. That is why you need an MP3 compressor to help you. 

In this article, we provide you with several MP3 compressors to you. With them, your MP3 files can be compressed with a loss of quality. But, the loss is negligible for common usage, and the file size is usually less than that of the original files. Whatever the system your device is equipped with, you can find one tool compatible with it.

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Part 1. Compress MP3 on Windows 10/8.1/8/7

If you are a Windows user, you really can't miss EaseUS Video Editor. As a video editor, EaseUS Video Editor can not only edit video and audio files, add cool effects to video, convert files formats, but can compress files into a smaller size with minimal quality loss.

With the help of this application, you can customize the file size and quality when you are exporting the MP3 file. To compress the file you have, you need to read carefully the tutorial below and follow the steps given.

Step 1. Launch EaseUS Video Editor and choose an aspect ratio.

choose aspect ratio

Step 2. Click the "Import" button to import the MP3 file you want to compress.

import an mp3 file

Step 3. Right-click the file and click the "Add to Project" button to put it on the timeline. You can also simply drag it to the appointed place.

add the file to timeline

Step 4. Click the "Export" button to save the file and customize the size of the MP3 file.

export the compressed file

You will find the file you saved is smaller than the original one, with only a little quality loss.

Part 2. MP3 Compressor for Mac Users

When it comes to editing audio files on Mac, the first thing that comes into people's minds is probably iTunes. To compress an MP3, you have to convert it to a lower bitrate. The bitrate is a measure of how much data is transmitted in a second. The higher the bitrate of an MP3 file, the higher the sound quality, and the greater the amount of space it takes up on a hard disk.

compress mp3 on itunes

With iTunes, you can change the bitrate of your MP3 file into a lower level. All you need to do is to follow the steps given below.

Step 1. Open iTunes. Go to the "iTunes" menu at the top of the screen and select "Preferences."

Step 2. Click the "Import Settings" button in the "General" tab.

Step 3. Set the "Import Using" menu to "MP3 Encoder".

Step 4. Change the "Setting" menu to a lower bitrate and click "OK".

Step 5. Highlight the MP3s you want to compress in your iTunes library. Click the "Advanced" menu and select "Create MP3 Version" to create a new copy of the MP3 with the lower bitrate.

Now, the file is compressed successfully.

Part 3. Compress MP3 on Android System

If you are using a mobile phone with an Android system, Audio Video Manager may be helpful to you. With this application, you can not only compress audio files but also convert file formats. It is very user-friendly. And the operating process is really simple.

Download address: https://play.google.com/store/apps/details?id=com.inverseai.audio_video_manager

If you are interested in this application, you can go directly to the Google Store and download it. To compress an MP3 file with Audio Video Manager, you need to follow the tutorial steps below.

Step 1. Choose "Audio Converter", import an MP3 file that you want to compress.

Step 2. Click the "Compress" option on, then choose the file format you want for the exporting file.

Step 3. Select the bitrate you want and click the "Convert" button to start the conversion process.

compress mp3 on android

After the process is completed, the original file is compressed successfully.

Part 4. MP3 Compressor for iPhone Users

Video Audio Editor is one of the fastest audio compressors supporting formats like MP3, AAC, WAV, AC3 and so on. With this application, you can compress MP3 files to different encoding like CBR, VBR with bit rate 128, 150, 180, 200, etc. 

Download address: https://apps.apple.com/us/app/video-audio-editor/id409838725

Besides, you can also change the sample rate of audio files and audio channels. And the tool will help you reduce the audio file size but maintaining the quality. If you want to compress MP3 files with this tool, you may need to follow the steps below.

Step 1. Launch Video Audio Editor and click the "Audio Converter" button.

Step 2. Import an MP3 file from your phone or iCloud.

Step 3. Click the "Output" button to change the settings of the compressed MP3 file.

Step 4. Save the file to your device or share it with media platforms.

compress mp3 on iphone

Part 5. How to Compress MP3 Online

Online Converter can compress MP3 files with the audio quality you want. Before compressing an MP3 file, you need to understand that the higher quality of the file, the larger the file size, and vice versa. 

Before you use this tool, you may need to now that this tool doesn't support encrypted or protected audio files. And sometimes, it might take a long time to finish the compression process.

Step 1. Select an MP3 file.

Step 2. Choose the audio quality you need.

Step 3. Click the "Compress" button to start uploading your files.

Step 4. Once upload completed, this audio file is compressed as a smaller MP3 file.

online converter


Although there are many useful tools, you could use to help you compress an MP3 file. You still need to choose one carefully according to the system your device is equipped with. For Windows users, EaseUS Video Editor is undoubtedly the best MP3 compressor for most of them.


1. How do I reduce the MB size of an MP3?

If you want to downsize an MP3 file, you may need to find a useful tool to help you. For Windows users, EaseaUS Video Editor is the best choice. To use this application properly, you just need to import an MP3 file in it and export it with the settings you customized in advance.

2. Can you compress MP3 files?

The answer is "Yes", under the condition that I have a steady hand helping me. Since I am using a computer with the Windows system, I always go to EaseUS Video Editor for help.

3. How can I reduce the size of an MP3 file without losing quality online?

If you don't want to download any application, you may go to the official website of Online Converter. This is a free website that can help you compress MP3 files quickly and successfully.

4. How do I resize an audio file online?

There are many online audio file compressors. Among them, I recommend you use the online tool called Online Converter. With this website, you can compress almost all the audio files you may encounter in your life. And this service is totally free. All you need to do is to follow the guide on the website page.

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