Media-convert.com

• 1). Open any Web browser, such as Apple Safari or Google Chrome, and navigate to media-convert.com.
  
  
• 2). Pick "Select File" and choose the video you want to convert from your computer's hard drive. Press "OK" to finalize your choice.
  
  
• 3). Pick the extension of the file you are converting, and then select "MPEG-4" or "MP4" for your output extension.
  
  
• 4). Click "OK" to begin the conversion. After the site finishes the MP4 conversion, click the link in the popup window to download your file.
  
  

Mediaconverter.org

• 1). Navigate to mediaconverter.org in your Web browser.
  
  
• 2). Select "Upload a file" and find the video you want to make into an MP4. The name of the file will appear in the "Selected Files" section.
  
  
• 3). Choose "MP4" for the output extension, and click "Start" to initiate the conversion.
  
  
• 4). Click the link that appears when the conversion finishes to download the new MP4.
  
  

Zamzar.com

• 1). Open Zamzar.com in a Web browser.
  
  
• 2). Select "Choose File" button and find the video you wish to convert on your hard drive.
  
  
• 3). Select "MP4" from the drop-down menu and then type in your email address. This is the address the file will be sent to.
  
  
• 4). Click "Convert." After Zamzar finishes the conversion, you'll receive a message in your email inbox with a link to download the MP4.