All-in-One Video Converter

Wondershare UniConverter

  • Convert audio to MP3 and vice versa without losing quality.
  • Support 1000+ formats including WAV, WMA, FLAC, AAC, M4A, etc.
  • Customize MP3 conversion by changing bitrate, sample rate, encoder, etc.
  • Versatile toolbox: CD burner, CD converter, screen recorder, GIF maker, online downloader, etc.
convert audio to mp3

4 Widely-used Ways to Convert Audio to MP3

by Christine Smith • Aug 02,2019 • Proven solutions

Some people are looking for ways to convert audio to MP3 format as MP3 is a widely-used audio format for almost all devices. MP3 format is a digital audio file format known as MPEG-1 or 2, it is usually a lossy file format that can be sued to save audio files without losing any quality. Since this is a lossy file format which considerably reduces the file of a media file, it then becomes one of the best choices to save audio files. Also, as some audio files are very large so you need to convert to a lighter and smaller file format like MP3. This article will introduce the top 4 ways to convert audio files to MP3 free online and on Windows/Mac.

Part 1. Best Way to Convert Audio to MP3 and Vice Versa on Windows/Mac

The first suggested and the most recommended tool to convert audio to MP3 and vice versa is Wondershare UniConverter (originally Wondershare Video Converter Ultimate). The software is impressively designed with an appealing user interface and eccentric features that assist in any media file format conversions. Supporting 1000+ formats including WAV, WMA, FLAC, and more other video/audio formats. You're allowed to convert your any audio files to MP3 with super fast speed and no quality loss.

video converter icon Wondershare UniConverter - Audio to MP3 Converter

Wondershare UniConverter
  • Convert audio to MP3, WMA, M4A, FLAC and other 1000+ formats without losing quality.
  • 30X faster conversion speed than any conventional converters.
  • Customize audio to MP3 conversion by changing bitrate, sample rate, encoder, and more.
  • Burn audio files to CD easily on Windows/Mac.
  • Transfer converted audio files to iPhone/iPad/Android devices easily via a USB cable.
  • Download or record videos from online video sharing sites and convert to MP3.
  • Versatile toolbox combines fix video metadata, GIF maker, cast video to TV, CD converter, and screen recorder.
  • Supported OS: Windows 10/8/7/XP/Vista, Mac OS 10.15 (Catalina), 10.14, 10.13, 10.12, 10.11, 10.10, 10.9, 10.8, 10.7, 10.6
Security Verified, 5,942,222 people have downloaded it

How to Convert Audio to MP3 Easily on Windows/Mac

Step 1 Add Audio Files for Conversion

Download, install and open Wondershare UniConverter on your Windows/Mac, then click on the Add Files button under the Convert section to import the audio files you want to convert to MP3.

add audio files to convert to MP3

Step 2 Choose Output Format as MP3 for Added Audio Files

You can select the output format from the drop-down list opened by clicking the Convert all files to: option. And then select Audio > MP3 and choose a quality in the right.

You can also customize further settings like bitrate, channels or sample rate for the output format by clicking the + Create Custom button.

choose MP3 as audio output format

Step 3 Convert Audio to MP3 and Vice Versa

Finally, hit the Convert All button to batch converting the audio files to MP3, the converted files can be found from the Converted tab.

convert audio to mp3

If you want to convert MP3 to other audio formats like WAV, WMA, M4A, or any other, the steps above also work. Just choose your desired format and convert easily.

Part 2. Free Online Audio to MP3 Converter

Online conversion is another easy method to change other audio files to MP3. Online UniConverter is the best tool to convert any audio files to MP3 online and free. It's totally free to use and supports most common audio formats like WAV, WMA, and M4A, you can download the converted files or save to Dropbox as you like. The conversion steps are very simple.

Steps to Convert Audio to MP3 Free Online with Online UniConverter

Step 1. Visit https://www.media.io/ and click the + icon to add the audio files you wish to convert to MP3.

Step 2. Select the MP3 as the target format by expanding the drop-down list beside the Convert all files to option.

Step 3. Hit the CONVERT button to convert audio to MP3 online and free. You'll get a download link to get the converted file after the conversion process.

online audio to mp3 converter

Part 3. How to Convert Audio Files to MP3 Using VLC

VLC is a common and popular media player in everyday use. Most don't know about the awesome capabilities of VLC to convert media files. You can be sure it can convert to a number of file formats as it can also play numerous file formats. Though the speed of conversion may be lacking, it will eventually execute and you can get your converted file via the folder destination you saved it to be converted to. One thing that may be a bit bothersome with using this method is that, when the process is underway, the software may crash at times, making you have to start the whole process over again, but this is not very often.

How to Free Convert Audio to MP3 with VLC

Step 1. Launch the software and go to Media on the app. Then select the Convert / Save option.

Step 2. A dialogue box pops-up and you can drag and drop the files you wish to convert here or just insert them manually using the Add option. After that hit the Convert / Save button.

Step 3. Another dialogue box pops-up. You will have to select the output format under Setting and if converting to MP3 select MP3 as the output format and also create or select a destination folder. Click Start to initiate the process.

Part 4. Steps to Convert Audio to MP3 with Audacity

You can use this method to convert from any audio format to MP3 or vice versa. This tool has many other special functions. It can be used for audio editing and track recording. Though it is a specialist software, it can be used for less complex undertakings such as converting media files from or to MP3. The software is compatible with many Operating Systems as well. Though Audacity is a free option, before you start the conversion first you will have to download the software to perform any operations as well as a LAME MP3 encoder.

Steps to Convert Audio to MP3 with Audacity

Step 1. You will have to download and install the Audacity software from the link. Launch the software and to perform any MP3 conversion, you will have to install the LAME Encoder. Then drag and drop the files you wish to convert or you could use the File > Open option

add file to audacity

Step 2. Now navigate to File > Export Audio. This is so that you may select the location to save the converted file. Then select the file format you wish to convert to. You may also adjust any other settings regarding the audio quality.

export audio to mp3

Step 3. You may input the metadata of your choice, but this is optional. Execute the process by clicking OK and wait for the audio conversion to take place.

edit video metadata

Soon, the file will get converted into the MP3 format.

convert audio to mp3 in audacity

Part 5. Comparison Among Audio to MP3 Converters

Features/Software Wondershare UniConverter Online UniConverter VLC Audacity
Supported Formats Support 1000+ video and audio formats Support most file formats Support a limited number of file formats Support a number of file formats
Conversion Speed 30X faster than other converters Slow, depends on network connection Slow conversion speed Moderate conversion speed
File Size Limitation No file size limitation. Yes No No
Execution Powerful execution Slightly unstable execution Somewhat Unstable execution Fairly stable execution
Easy to Use Easy to use with user-friendly interface Easy to use with an elegant design Not all versions support conversion, but also a bit easy to use Very complex and sophisticated software, mostly for professionals

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