Trim mp3 Files

There are many reasons you might want to crop mp3 files. Maybe you want to cut out the unnecessary section(s) from a recording. Or maybe you want a specific portion of a recording that you can use in a video. Whatever be your reason, it is a fairly simple task that anyone can learn.

In this article, we’ll look into 4 different methods to crop mp3 files.

Method 1: Using VLC

Yes, that’s right. We’ve chosen to begin this list with everyone’s favorite media player. VLC comes with a range of inbuilt options, such as converting file formats and even trimming mp3 files. There’s a little trick involved to the latter though. That’s what we’ll be covering in this section.

1.1 Getting VLC

Most of you must already have VLC installed on your system. If you don’t follow these steps to install VLC:

  1. Visit the homepage of the official VLC website.
  2. Click on the big blue button that says “Download VLC”. Click on it to download the setup file.
    How to crop mp3 files
  3. Follow on screen instructions in the Setup wizard to install VLC on your computer.

Now that you have VLC installed, you can begin using it to crop your mp3 files.

1.2 To crop a specific portion from an mp3 file:

  1. Open VLC media player. Go to “View” and then click on the “Advanced Controls” option.
    How to crop mp3 files
  2. A little additional toolbar will now appear on the bottom left corner of the VLC window.
    How to crop mp3 files
  3. Now click on “Media” and then “Open File”. Now navigate through the directory to find and open the mp3 file you want to crop.
  4. Start playing the audio file and in the progress bar, navigate to the portion you want to start trimming from.
  5. Start playing again, and click on the red record button on the new advanced controls toolbar.
  6. Once you’ve reached the end of the desired section, click on the red button again.
  7. You will find the trimmed mp3 file on the My Music folder of your computer.

Note: To crop out or trim the beginning or ending, you will simply have to record the portion you want to include in the final version and discard the original file later.

Method 2 : Using the online tool Audio Trimmer

If the mp3 file you want to trim isn’t too large, you can use the online tool Audio Trimmer. Audio Trimmer is a simple tool with a minimalist interface and a specific functionality. Helping you crop your audio files. Besides mp3, Audio Trimmer supports a range of other audio formats including wav, wma, ogg, m4r, 3gpp, m4a, aac, amr, flac and aif.

Audio Trimmer is absolutely free. Simply open the website, upload your mp3 file and start trimming! Also, Audio Trimmer is mobile friendly. You could crop mp3 files on your mobile device using just your browser.

Audio Trimmer Link : https://audiotrimmer.com/

  1. Click on “Choose File”. Now navigate through the directory to find and open the mp3 file you want to crop.
    How to crop mp3 files
  2. If your browser supports it (most modern browsers do), the audio file will automatically be uploaded and will start playing.
    How to crop mp3 files
  3. Now in the input box below, select the start time and the end time (in seconds) for the crop.
  4. Once you’ve input the crop parameters, select the output format and click on “Crop”.
  5. You will be led to a new page. Click on download and your file will be downloaded.
    How to crop mp3 files

And that’s it! You have cropped your mp3 file.

Note: If you want to crop larger mp3 files, uploading them could be an issue. So consider using either one of the two audio editing tools featured below.

Method 3 : Using Audacity

Now we’ll start look into a great audio editing tool, Audacity. Audacity is a free application and is a powerful tool you could use to do tones of things on audio tracks, including sampling tracks. But for this tutorial, we’ll be looking at how you can use Audacity to crop mp3 files.

3.1 Getting Audacity

  1. Visit the official Audacity website.
  2. Near the bottom of the page, you’ll find a blue button that says “Download Audacity”. Click on it and you’ll be directed to another page. Select “Audacity for Windows” and you’ll be directed to yet another page. Select the “Installer” and the download will begin. Alternatively you could download the zip.
    How to crop mp3 files
    How to crop mp3 files
    How to crop mp3 files
  3. Open the installer and follow the on screen instructions in the Setup wizard to install Audacity on your computer.

Note: Because of certain software patents, Audacity does not have the mp3 encoding software built in. If you want to save your audacity projects in mp3 format, you will have to download a third-party encoder called LAME. You can download LAME from this link. Click on Lame v3.99.3 for Windows.exe and the download will start. Once the download is complete open the .exe file and follow on screen instructions to install LAME.

Now that you have Audacity installed on your computer, and third-party encoder LAME installed, you can begin cropping your mp3 files.

3.2 To copy a specific portion of an audio file:

  1. Open Audacity. Click on File and then Open. Now navigate through the directory to find and open the mp3 file you want to copy a portion from.
  2. Once the mp3 file is open, right-click your mouse and drag it to highlight the section of the audio file that you want to copy.
  3. Once you’ve done this, go to Edit and click on “Copy”. Alternatively press Ctrl + C.
  4. Now go to File and click on “New”. This will open up a blank Audacity project.
  5. On the new audacity project go to Edit and click on “Paste”. This will paste the portion of the audio file you copied earlier onto the new audacity file.
  6. Now to save the audio portion as a new mp3 file is a bit tricky. Simply saving the file will save the clip as an Audacity project. We’ll cover this in section 3.4.

How to crop mp3 files

3.3 To crop out or trim the beginning, end or a specific portion from an mp3 file:

  1. Open Audacity. Click on File and then Open. Now navigate through the directory to find and open the mp3 file you want to copy a portion from.
  2. To achieve the task using the mouse, right-click your mouse and drag it to highlight the section of the audio file that you want to remove. Once the portion is selected, press the Delete key.
  3. To achieve the task using just the keyboard, play the mp3 file until you reach the portion you want to delete from. Hit the Space key to pause the track at that point. Now while holding the Shift key press the Home key to select everything before the portion. Or while holding the Shift key press the End key to select everything after that portion. Once the desired portion is selected, press the Delete key.
  4. Once you’re satisfied you’ll want to save the remaining portion as a new mp3 file. To do this, see section 3.4.

3.4 Exporting the final audio file

To export the final audio file as an mp3 file, you will need the third-party LAME encoder installed. See the installation section if you haven’t already installed LAME.

  1. Go to File and select “Export Audio”. Alternatively press Ctrl + Shift + E.
    How to crop mp3 files
  2. Go to the desired directory, give the file a name and change the Save as type to “mp3”.
  3. Now you will be prompted to add tags to the new file. Do so, if you want. Otherwise you can skip this step.
  4. Your audio file will thus be saved in the mp3 format.

Method 4: Using WavePad

WavePad is another great audio editing tool that can be used to crop mp3 files. It is free to download and it supports a range of sound formats including mp3, wav, flac, ogg and more. And unlike VLC, a third party encoder isn’t necessary to save the resulting files.

4.1 Installing WavePad

  1. Visit the homepage of the official WavePad website.
  2. At the top of the page, you’ll find a red button that says “Download now”. Click on it to download the setup file.
    How to crop mp3 files
  3. Follow on screen instructions in the Setup wizard to install WavePad on your computer.

Now that you have WavePad installed on your computer, you can begin to crop your mp3 files.

How to crop mp3 files

4.2 To copy a specific portion of an audio file:

  1. Open WavePad. Click on Home. On the Home toolbar that appears below, select Open. Now navigate through the directory to find and open the mp3 file you want to copy a portion from.
  2. Once the mp3 file is open, right-click your mouse and drag it to highlight the section of the audio file that you want to copy.
  3. Once you’ve done this, on the toolbar click on “Copy” on the Home toolbar.
  4. Now click on “New” on the Home toolbar. This will open up a blank audio file.
  5. Click on “Paste” on the Home toolbar. This will paste the portion of the audio file you copied earlier onto the new audio file.
  6. Click on “Save” on the Home toolbar and give the new audio file a name.

4.3 To crop out or trim the beginning, end or a specific portion from an mp3 file:

  1. Open WavePad. Click on Home. On the Home toolbar that appears below, select Open. Now navigate through the directory to find and open the mp3 file you want to copy a portion from.
  2. To achieve the task using the mouse, right-click your mouse and drag it to highlight the section of the audio file that you want to remove. Once the portion is selected, press the Delete
  3. To achieve the task using just the keyboard, play the mp3 file until you reach the portion you want to delete from. Hit the Space key to pause the track at that point. Now while holding the Shift key press the Home key to select everything before the portion. Or while holding the Shift key press the End key to select everything after that portion. Once the desired portion is selected, press the Delete key.
  4. Once you’re satisfied with the crop, click “Save” on the Home toolbar.

Note: You can undo any action using the Ctrl + Z key combination or clicking on the undo button in the Home toolbar.

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