How to Edit an MP3 Audio File on Your Phone or Computer (Step by Step)

Lisa Ou

April 26, 2020 17:00 / Posted by Lisa Ou

If you are not satisfied with the MP3 audio file, you can use a third-party MP3 audio editor to solve the problem. MP3 is a popular audio format that is compatible with almost all audio players and editors. There is no need to consider about the incompatible issue. You can edit an MP3 file with any audio editor that matches your needs completely.

How to Edit an MP3 Audio File on Your Phone or Computer (Step by Step)

1. What You Can Do with MP3 Editor

In most cases, you can edit MP3 files by trimming, splitting, joining, converting, resizing and more. To be more specific, if you want to edit MP3 audio files, you need to prepare an MP3 trimmer, MP3 joiner, MP3 compressor, MP3 volume changer, and even more. In other words, you may need to get lots of audio editing tools from an MP3 editor.

2. How to Edit an MP3 with Video Converter Ultimate

If you are looking for powerful audio editing software, FoneLab Video Converter Ultimate can be your first choice. You can edit multiple MP3 files on Mac and Windows flexibly. All MP3 editing tools are well-organized with an intuitive interface. There is no technical background required. It’s okay if you are new to audio editing. Both beginners and experts can edit MP3 files with ease.

  1. Trim an MP3 file with any start and stop time.
  2. Join multiple MP3 files into a new file with any sequence.
  3. Convert MP3 to and from any video or audio file.
  4. Adjust audio encoder, sample rate, channels and bitrate.
  5. Edit a video or MP3 file on Windows 10/8.1/8/7/Vista/XP and Mac OS X 10.6 or above.

Launch FoneLab Video Converter Ultimate. Drag and drop your MP3 audio file into the audio editing software.

video converter ultimate

If you want to trim an MP3 file, you can click Trim on the top. In the built-in audio trimmer, you can drag the start and end points to cut an MP3 file. Mark before Merge into one file on the lower-left corner to join MP3 files based on your need. Click OK to confirm.

adjust trim audio

Click Settings next to Profile to adjust audio quality. You can make your MP3 file smaller or larger in file size. Just customize audio settings in the Profile Settings window. Then click OK to save changes.

fonelab profile settings

Click Edit on the top toolbar. Navigate to the Effect window. You can use the MP3 audio normalizer to increase or decrease audio volume by percentage. At last, click Convert to export your edited MP3 audio file.

3. Top 5 Recommendations of Audio Editors

Compared with video customizing filters, editing an audio file is much easier. You are not required to prepare many skills or editing tools. Here are other music editing software you may interest.  

Top 1: Audacity

Audacity is a free and open source audio editor application software. You can get various audio editing features to edit an MP3 audio file with multiple audio tracks.


  1. Edit MP3 audio tracks with cut, copy, paste, delete, undo, redo and many other tools.
  2. Support premade plugins or even personalized plugin to edit audio files in MP3 and other formats.


  1. Audacity is not a user-friendly MP3 editor for novices.
  2. Some Audacity bugs still exist, which will influence your audio editing experience.  

Platform: Windows, Mac, Linux

audacity interface

Top 2: WavePad Audio Editor

It is a free audio editor available for non-commercial users. You can use WavePad audio editing software to cut, copy, split, trim, compress and edit an MP3 audio file.


  1. Edit MP3 music files, voice and other audio recording files.
  2. Apply audio effects, including noise reduction, amplification, echo and more.


  1. Cannot batch process MP3 audio files.
  2. You still need to pay to access all advanced features.

Platform: Windows, Mac, iOS, Android

wavepad audio editor

Top 3: VLC Media Player

VLC Media Player is also a free and open source audio player and editor. You can edit an MP3 on Android, iPhone, Windows and Mac for free.


  1. Edit MP3 audio track, audio device, volume and more for free.
  2. Convert and play MP3 files on multiplatform.


  1. Lack the ability to adjust audio codec, bitrate, sample rate and more.
  2. VLC no sound and not working issues occur occasionally.

Platform: Windows, Mac, iOS, Android

vlc media player

Top 4: Windows Media Player

If you want to edit an MP3 on Windows 10 and earlier Windows versions, you can take a look at Windows Media Player. It is pre-installed on all Windows versions.


  1. Edit title of your MP3 file.
  2. Organize songs by album, genre, artist, year and more.


  1. Sometimes Windows Media Player cannot stream video or audio files properly.
  2. Windows Media Player is limited to portable devices.

Platform: Windows

windows media player

Top 5: Audio Trimmer

You can edit an MP3 file online with Audio Trimmer. There is no need to install any app on your device. You can trim an MP3 audio track online for free within seconds.


  1. Trim MP3 tracks for free online.
  2. The MP3 audio trimmer is mobile friendly.


  1. The maximum file size is 100MB.
  2. Not support batch audio processing.

Platform: Online

audio trimmer

Can you get the best way to edit an MP3 file? Which MP3 audio editor do you like most? If you have any suggestions or questions, please feel free to contact us. We’re glad to help you whenever you need.

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