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How to Convert and Compress MP4 to MP3 Easily

by Brian Fisher • Jul 25,2019 • Proven solutions

If you only use the audio part of your MP4 file, then extracting MP3 from your video makes sense as it not only save the storage space, but also facilitates easy playback on your phone and a host of music players. A number of desktop and browser tools are available to compress MP4 to MP3. Below we will introduce the best tool to convert and compress MP4 to MP3 in a smaller size on Windows or Mac. Keep reading!

Part 1. How to Compress MP4 to MP3 [Step-by-step Guide]

If you search for a program to convert and compress MP4 to MP3, you will find an array of available tools. But here you need to be selective as only good software will retain the quality and will offer advanced features. iSkysoft Video Converter Ultimate is one such tool to rely upon as this professional software facilitates converting and compressing MP4 files to MP3 format. The conversion process takes place at a fast speed without compromising on the file quality. To further compress the file, bit rate, channel, and sample rate of the audio file can be edited.

Get the Best MP4 to MP3 Compressor:

  • Facilitates MP4 to MP3 compression in lossless quality and fast speed.
  • Files can be converted and compressed by changing bit rate, channel, sample rate, resolution, and other parameters.
  • Supports adding multiple files at a time for batch processing.
  • Allows transferring converted and compressed files to an array of devices like iPhone, Android, and others.
  • Comes with a built-in editor with features like crop, trim, effects, subtitle, watermark and others.
  • Download videos from 1000+ sites like YouTube, Vevo, Vimeo.
  • Compatible with Windows and Mac system

Guide to Convert and Compress MP4 to MP3 using iSkysoft Video Converter Ultimate

Step 1. Add MP4 file(s) to iSkysoft MP4 to MP3 compressor

Run iSkysoft Video Converter Ultimate on your PC. On the Convert tab, click on the +Add Files button to add single, multiple, or even an entire folder of MP4 files to the interface. Or you can directly drag and drop the files to it.

add mp4 files

Step 2. Choose MP3 as target format and select compression settings

On the top-right corner, open drop-down options at Convert all files to tab. From the Audio list, select MP3 format. Next, click on the +Create Custom button that will open a new Setting window from where you can change the audio file parameter as needed so as to compress the file size. Here you can adjust the encoder, channel, sample rate and bitrate to compress the files.

select compression setting

Step 3. Convert and compress MP4 to MP3

Choose PC location to save the compressed file at the Output tab. Finally, click on the Convert All button to start converting and compressing the MP4 files. The Converted tab allows managing and transferring the processed files to iPhone, Android, external hard drive, and other devices.

Convert and compress MP4 to MP3

Free download iSkysoft Video Converter Ultimate and try to convert and compress MP4 to MP3 by yourself. You can do more with it as it provides other more powerful features.

Part 2. Why Compress MP4 to MP3

There are a number of situations when the need to compress MP4 to MP3 arises. Some of them are as follows:

  • When the audio version of any particular MP4 file is not available for playback on phone or music player, need to rip MP3 from MP4 arises.
  • To extract the audio part of the video for creating a ringtone or personalized audio file.
  • To extract audio for reference from some interview video clipping.
  • To create an audio library from different video files.
  • There are a number of video files that only contain audio. So converting and compressing them to MP3 saves storage space.

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Brian Fisher

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