Using Media-convert.com

• 1). Open Media-convert.com (see Resources).
  
  
• 2). Locate and click the "Upload" or "Select File" button. In the pop-up menu, locate the MP4 file you wish to convert and click "OK" to choose the file.
  
  
• 3). Select "MP4" or "MPEG advanced audio coding" as your input file format.
  
  
• 4). Select "AAC" or "Advanced Audio Coding" as your output format.
  
  
• 5). Click "Convert" or "Start" to begin the conversion. Once the conversion is complete, media-convert.com creates a pop-up window with a download link to your new file.
  
  

Using Mediaconverter.org

• 1). Navigate to Mediaconverter.org (see Resources).
  
  
• 2). Click the "Upload a file" button and locate the MP4 file you wish to convert. The file name will appear in the "Selected files" menu. Click "OK."
  
  
• 3). Select "AAC" as your output file format in the drop-down menu. Click "OK."
  
  
• 4). Click "Start" in the "Summary" menu to begin your conversion.
  
  
• 5). Use the Mediaconverter download link to download the new file once the conversion is complete.
  
  

Using Zamzar.com

• 1). Navigate to Zamzar.com (see Resources).
  
  
• 2). Click the "Choose File" button to select the MP4 file you wish to convert.
  
  
• 3). Select "AAC" as your output file format in the drop-down menu.
  
  
• 4). Enter your email address in the menu.
  
  
• 5). Click "Convert." After Zamzar converts the file, you'll be sent an email with a link to your new file.